Home / 82,951,973.40-124,427,960.10-31,136,475.90

Finding the Fourth Proportional to 82,951,973.40, 124,427,960.10 and 31,136,475.90

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Solution

The fourth proportional to 82,951,973.40, 124,427,960.10 and 31,136,475.90 is: 46,704,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,951,973.40 : 124,427,960.10 = 31,136,475.90 : x
  2. Step 2: Convert to fraction form
    82,951,973.40/124,427,960.10 = 31,136,475.90/x
  3. Step 3: Cross multiply
    82,951,973.40x = 124,427,960.10 × 31,136,475.90
  4. Step 4: Simplify right side
    82,951,973.40x = 3,874,248,180,939,811
  5. Step 5: Solve for x
    x = 3,874,248,180,939,811/82,951,973.40
  6. Step 6: Final answer
    x = 46,704,713.85

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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.