Home / 84,356,210.20-126,488,796.42-38,272,927

Finding the Fourth Proportional to 84,356,210.20, 126,488,796.42 and 38,272,927

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Solution

The fourth proportional to 84,356,210.20, 126,488,796.42 and 38,272,927 is: 57,388,738.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,356,210.20 : 126,488,796.42 = 38,272,927 : x
  2. Step 2: Convert to fraction form
    84,356,210.20/126,488,796.42 = 38,272,927/x
  3. Step 3: Cross multiply
    84,356,210.20x = 126,488,796.42 × 38,272,927
  4. Step 4: Simplify right side
    84,356,210.20x = 4,841,096,471,700,521
  5. Step 5: Solve for x
    x = 4,841,096,471,700,521/84,356,210.20
  6. Step 6: Final answer
    x = 57,388,738.31

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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.