Home / 161,414,748-242,120,526.39-73,951,455.78

Finding the Fourth Proportional to 161,414,748, 242,120,526.39 and 73,951,455.78

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Solution

The fourth proportional to 161,414,748, 242,120,526.39 and 73,951,455.78 is: 110,926,452.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,414,748 : 242,120,526.39 = 73,951,455.78 : x
  2. Step 2: Convert to fraction form
    161,414,748/242,120,526.39 = 73,951,455.78/x
  3. Step 3: Cross multiply
    161,414,748x = 242,120,526.39 × 73,951,455.78
  4. Step 4: Simplify right side
    161,414,748x = 17,905,165,400,760,408
  5. Step 5: Solve for x
    x = 17,905,165,400,760,408/161,414,748
  6. Step 6: Final answer
    x = 110,926,452.65

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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.