Home / 91,948,111,385.20-137,922,167,077.80-42,358,288,793.20

Finding the Fourth Proportional to 91,948,111,385.20, 137,922,167,077.80 and 42,358,288,793.20

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Solution

The fourth proportional to 91,948,111,385.20, 137,922,167,077.80 and 42,358,288,793.20 is: 63,537,433,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,948,111,385.20 : 137,922,167,077.80 = 42,358,288,793.20 : x
  2. Step 2: Convert to fraction form
    91,948,111,385.20/137,922,167,077.80 = 42,358,288,793.20/x
  3. Step 3: Cross multiply
    91,948,111,385.20x = 137,922,167,077.80 × 42,358,288,793.20
  4. Step 4: Simplify right side
    91,948,111,385.20x = 5,842,146,984,065,433,075,712
  5. Step 5: Solve for x
    x = 5,842,146,984,065,433,075,712/91,948,111,385.20
  6. Step 6: Final answer
    x = 63,537,433,189.80

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Double scale
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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.