Home / 87,756,474.70-131,634,712.05-42,406,842.70

Finding the Fourth Proportional to 87,756,474.70, 131,634,712.05 and 42,406,842.70

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Solution

The fourth proportional to 87,756,474.70, 131,634,712.05 and 42,406,842.70 is: 63,610,264.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,756,474.70 : 131,634,712.05 = 42,406,842.70 : x
  2. Step 2: Convert to fraction form
    87,756,474.70/131,634,712.05 = 42,406,842.70/x
  3. Step 3: Cross multiply
    87,756,474.70x = 131,634,712.05 × 42,406,842.70
  4. Step 4: Simplify right side
    87,756,474.70x = 5,582,212,527,764,145
  5. Step 5: Solve for x
    x = 5,582,212,527,764,145/87,756,474.70
  6. Step 6: Final answer
    x = 63,610,264.05

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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.