Home / 77,632,451.80-116,243,391.30-62,207,978.20

Finding the Fourth Proportional to 77,632,451.80, 116,243,391.30 and 62,207,978.20

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Solution

The fourth proportional to 77,632,451.80, 116,243,391.30 and 62,207,978.20 is: 93,147,468.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,632,451.80 : 116,243,391.30 = 62,207,978.20 : x
  2. Step 2: Convert to fraction form
    77,632,451.80/116,243,391.30 = 62,207,978.20/x
  3. Step 3: Cross multiply
    77,632,451.80x = 116,243,391.30 × 62,207,978.20
  4. Step 4: Simplify right side
    77,632,451.80x = 7,231,266,351,884,470
  5. Step 5: Solve for x
    x = 7,231,266,351,884,470/77,632,451.80
  6. Step 6: Final answer
    x = 93,147,468.41

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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.