Home / 124,555,436.20-186,851,010.30-38,301,087.40

Finding the Fourth Proportional to 124,555,436.20, 186,851,010.30 and 38,301,087.40

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Solution

The fourth proportional to 124,555,436.20, 186,851,010.30 and 38,301,087.40 is: 57,457,121.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,555,436.20 : 186,851,010.30 = 38,301,087.40 : x
  2. Step 2: Convert to fraction form
    124,555,436.20/186,851,010.30 = 38,301,087.40/x
  3. Step 3: Cross multiply
    124,555,436.20x = 186,851,010.30 × 38,301,087.40
  4. Step 4: Simplify right side
    124,555,436.20x = 7,156,596,876,278,600
  5. Step 5: Solve for x
    x = 7,156,596,876,278,600/124,555,436.20
  6. Step 6: Final answer
    x = 57,457,121.86

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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.