Home / 65,942,455.34-90,895,478.18-51,981,057.47

Finding the Fourth Proportional to 65,942,455.34, 90,895,478.18 and 51,981,057.47

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Solution

The fourth proportional to 65,942,455.34, 90,895,478.18 and 51,981,057.47 is: 71,651,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,942,455.34 : 90,895,478.18 = 51,981,057.47 : x
  2. Step 2: Convert to fraction form
    65,942,455.34/90,895,478.18 = 51,981,057.47/x
  3. Step 3: Cross multiply
    65,942,455.34x = 90,895,478.18 × 51,981,057.47
  4. Step 4: Simplify right side
    65,942,455.34x = 4,724,843,074,323,328
  5. Step 5: Solve for x
    x = 4,724,843,074,323,328/65,942,455.34
  6. Step 6: Final answer
    x = 71,651,003.14

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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.