Home / 91,948,111,385.70-137,922,167,078.55-42,358,288,793.70

Finding the Fourth Proportional to 91,948,111,385.70, 137,922,167,078.55 and 42,358,288,793.70

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Solution

The fourth proportional to 91,948,111,385.70, 137,922,167,078.55 and 42,358,288,793.70 is: 63,537,433,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,948,111,385.70 : 137,922,167,078.55 = 42,358,288,793.70 : x
  2. Step 2: Convert to fraction form
    91,948,111,385.70/137,922,167,078.55 = 42,358,288,793.70/x
  3. Step 3: Cross multiply
    91,948,111,385.70x = 137,922,167,078.55 × 42,358,288,793.70
  4. Step 4: Simplify right side
    91,948,111,385.70x = 5,842,146,984,166,162,432,000
  5. Step 5: Solve for x
    x = 5,842,146,984,166,162,432,000/91,948,111,385.70
  6. Step 6: Final answer
    x = 63,537,433,190.55

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.