Home / 161,777,279.70-242,665,919.55-64,747,962.90

Finding the Fourth Proportional to 161,777,279.70, 242,665,919.55 and 64,747,962.90

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Solution

The fourth proportional to 161,777,279.70, 242,665,919.55 and 64,747,962.90 is: 97,121,944.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,777,279.70 : 242,665,919.55 = 64,747,962.90 : x
  2. Step 2: Convert to fraction form
    161,777,279.70/242,665,919.55 = 64,747,962.90/x
  3. Step 3: Cross multiply
    161,777,279.70x = 242,665,919.55 × 64,747,962.90
  4. Step 4: Simplify right side
    161,777,279.70x = 15,712,123,956,117,786
  5. Step 5: Solve for x
    x = 15,712,123,956,117,786/161,777,279.70
  6. Step 6: Final answer
    x = 97,121,944.35

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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.