Home / 55,687,305.13-76,849,299.89-30,909,081.74

Finding the Fourth Proportional to 55,687,305.13, 76,849,299.89 and 30,909,081.74

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Solution

The fourth proportional to 55,687,305.13, 76,849,299.89 and 30,909,081.74 is: 42,654,987.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,687,305.13 : 76,849,299.89 = 30,909,081.74 : x
  2. Step 2: Convert to fraction form
    55,687,305.13/76,849,299.89 = 30,909,081.74/x
  3. Step 3: Cross multiply
    55,687,305.13x = 76,849,299.89 × 30,909,081.74
  4. Step 4: Simplify right side
    55,687,305.13x = 2,375,341,291,538,900
  5. Step 5: Solve for x
    x = 2,375,341,291,538,900/55,687,305.13
  6. Step 6: Final answer
    x = 42,654,987.27

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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.