Home / 79,949,130.17-119,923,681.52-43,588,098.23

Finding the Fourth Proportional to 79,949,130.17, 119,923,681.52 and 43,588,098.23

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Solution

The fourth proportional to 79,949,130.17, 119,923,681.52 and 43,588,098.23 is: 65,382,139.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,949,130.17 : 119,923,681.52 = 43,588,098.23 : x
  2. Step 2: Convert to fraction form
    79,949,130.17/119,923,681.52 = 43,588,098.23/x
  3. Step 3: Cross multiply
    79,949,130.17x = 119,923,681.52 × 43,588,098.23
  4. Step 4: Simplify right side
    79,949,130.17x = 5,227,245,209,706,347
  5. Step 5: Solve for x
    x = 5,227,245,209,706,347/79,949,130.17
  6. Step 6: Final answer
    x = 65,382,139.85

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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.