Home / 77,972,687.27-107,598,045.50-42,683,665.67

Finding the Fourth Proportional to 77,972,687.27, 107,598,045.50 and 42,683,665.67

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Solution

The fourth proportional to 77,972,687.27, 107,598,045.50 and 42,683,665.67 is: 58,901,125.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,972,687.27 : 107,598,045.50 = 42,683,665.67 : x
  2. Step 2: Convert to fraction form
    77,972,687.27/107,598,045.50 = 42,683,665.67/x
  3. Step 3: Cross multiply
    77,972,687.27x = 107,598,045.50 × 42,683,665.67
  4. Step 4: Simplify right side
    77,972,687.27x = 4,592,679,000,679,596
  5. Step 5: Solve for x
    x = 4,592,679,000,679,596/77,972,687.27
  6. Step 6: Final answer
    x = 58,901,125.02

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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.