Home / 82,750,868.28-124,126,458.15-77,694,349.91

Finding the Fourth Proportional to 82,750,868.28, 124,126,458.15 and 77,694,349.91

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Solution

The fourth proportional to 82,750,868.28, 124,126,458.15 and 77,694,349.91 is: 116,541,671.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,750,868.28 : 124,126,458.15 = 77,694,349.91 : x
  2. Step 2: Convert to fraction form
    82,750,868.28/124,126,458.15 = 77,694,349.91/x
  3. Step 3: Cross multiply
    82,750,868.28x = 124,126,458.15 × 77,694,349.91
  4. Step 4: Simplify right side
    82,750,868.28x = 9,643,924,473,389,988
  5. Step 5: Solve for x
    x = 9,643,924,473,389,988/82,750,868.28
  6. Step 6: Final answer
    x = 116,541,671.09

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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.