Home / 208,754,525.87-288,064,445.49-120,654,229.79

Finding the Fourth Proportional to 208,754,525.87, 288,064,445.49 and 120,654,229.79

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Solution

The fourth proportional to 208,754,525.87, 288,064,445.49 and 120,654,229.79 is: 166,493,127.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,754,525.87 : 288,064,445.49 = 120,654,229.79 : x
  2. Step 2: Convert to fraction form
    208,754,525.87/288,064,445.49 = 120,654,229.79/x
  3. Step 3: Cross multiply
    208,754,525.87x = 288,064,445.49 × 120,654,229.79
  4. Step 4: Simplify right side
    208,754,525.87x = 34,756,193,799,039,068
  5. Step 5: Solve for x
    x = 34,756,193,799,039,068/208,754,525.87
  6. Step 6: Final answer
    x = 166,493,127.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.