Home / 83,412,298.40-124,866,505.20-73,334,602.40

Finding the Fourth Proportional to 83,412,298.40, 124,866,505.20 and 73,334,602.40

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Solution

The fourth proportional to 83,412,298.40, 124,866,505.20 and 73,334,602.40 is: 109,780,400.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,412,298.40 : 124,866,505.20 = 73,334,602.40 : x
  2. Step 2: Convert to fraction form
    83,412,298.40/124,866,505.20 = 73,334,602.40/x
  3. Step 3: Cross multiply
    83,412,298.40x = 124,866,505.20 × 73,334,602.40
  4. Step 4: Simplify right side
    83,412,298.40x = 9,157,035,511,919,534
  5. Step 5: Solve for x
    x = 9,157,035,511,919,534/83,412,298.40
  6. Step 6: Final answer
    x = 109,780,400.34

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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.