Home / 82,952,005.40-124,428,008.10-31,136,507.90

Finding the Fourth Proportional to 82,952,005.40, 124,428,008.10 and 31,136,507.90

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Solution

The fourth proportional to 82,952,005.40, 124,428,008.10 and 31,136,507.90 is: 46,704,761.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,952,005.40 : 124,428,008.10 = 31,136,507.90 : x
  2. Step 2: Convert to fraction form
    82,952,005.40/124,428,008.10 = 31,136,507.90/x
  3. Step 3: Cross multiply
    82,952,005.40x = 124,428,008.10 × 31,136,507.90
  4. Step 4: Simplify right side
    82,952,005.40x = 3,874,253,657,186,913.50
  5. Step 5: Solve for x
    x = 3,874,253,657,186,913.50/82,952,005.40
  6. Step 6: Final answer
    x = 46,704,761.85

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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.