Home / 77,744,007.20-116,448,049.20-64,307,079.20

Finding the Fourth Proportional to 77,744,007.20, 116,448,049.20 and 64,307,079.20

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Solution

The fourth proportional to 77,744,007.20, 116,448,049.20 and 64,307,079.20 is: 96,321,686.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,744,007.20 : 116,448,049.20 = 64,307,079.20 : x
  2. Step 2: Convert to fraction form
    77,744,007.20/116,448,049.20 = 64,307,079.20/x
  3. Step 3: Cross multiply
    77,744,007.20x = 116,448,049.20 × 64,307,079.20
  4. Step 4: Simplify right side
    77,744,007.20x = 7,488,433,922,589,897
  5. Step 5: Solve for x
    x = 7,488,433,922,589,897/77,744,007.20
  6. Step 6: Final answer
    x = 96,321,686.93

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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.