Home / 107,668,001.10-161,502,001.65-78,757,610.70

Finding the Fourth Proportional to 107,668,001.10, 161,502,001.65 and 78,757,610.70

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Solution

The fourth proportional to 107,668,001.10, 161,502,001.65 and 78,757,610.70 is: 118,136,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,668,001.10 : 161,502,001.65 = 78,757,610.70 : x
  2. Step 2: Convert to fraction form
    107,668,001.10/161,502,001.65 = 78,757,610.70/x
  3. Step 3: Cross multiply
    107,668,001.10x = 161,502,001.65 × 78,757,610.70
  4. Step 4: Simplify right side
    107,668,001.10x = 12,719,511,773,221,458
  5. Step 5: Solve for x
    x = 12,719,511,773,221,458/107,668,001.10
  6. Step 6: Final answer
    x = 118,136,416.05

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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.