Home / 78,458,192.28-117,713,773.26-34,732,919.70

Finding the Fourth Proportional to 78,458,192.28, 117,713,773.26 and 34,732,919.70

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Solution

The fourth proportional to 78,458,192.28, 117,713,773.26 and 34,732,919.70 is: 52,111,104.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,458,192.28 : 117,713,773.26 = 34,732,919.70 : x
  2. Step 2: Convert to fraction form
    78,458,192.28/117,713,773.26 = 34,732,919.70/x
  3. Step 3: Cross multiply
    78,458,192.28x = 117,713,773.26 × 34,732,919.70
  4. Step 4: Simplify right side
    78,458,192.28x = 4,088,543,034,223,588
  5. Step 5: Solve for x
    x = 4,088,543,034,223,588/78,458,192.28
  6. Step 6: Final answer
    x = 52,111,104.21

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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.