Home / 118,696,009.80-178,044,014.70-79,953,960.90

Finding the Fourth Proportional to 118,696,009.80, 178,044,014.70 and 79,953,960.90

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Solution

The fourth proportional to 118,696,009.80, 178,044,014.70 and 79,953,960.90 is: 119,930,941.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,696,009.80 : 178,044,014.70 = 79,953,960.90 : x
  2. Step 2: Convert to fraction form
    118,696,009.80/178,044,014.70 = 79,953,960.90/x
  3. Step 3: Cross multiply
    118,696,009.80x = 178,044,014.70 × 79,953,960.90
  4. Step 4: Simplify right side
    118,696,009.80x = 14,235,324,189,802,826
  5. Step 5: Solve for x
    x = 14,235,324,189,802,826/118,696,009.80
  6. Step 6: Final answer
    x = 119,930,941.35

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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.