Home / 82,952,017.40-124,428,026.10-31,136,519.90

Finding the Fourth Proportional to 82,952,017.40, 124,428,026.10 and 31,136,519.90

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Solution

The fourth proportional to 82,952,017.40, 124,428,026.10 and 31,136,519.90 is: 46,704,779.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,952,017.40 : 124,428,026.10 = 31,136,519.90 : x
  2. Step 2: Convert to fraction form
    82,952,017.40/124,428,026.10 = 31,136,519.90/x
  3. Step 3: Cross multiply
    82,952,017.40x = 124,428,026.10 × 31,136,519.90
  4. Step 4: Simplify right side
    82,952,017.40x = 3,874,255,710,780,369
  5. Step 5: Solve for x
    x = 3,874,255,710,780,369/82,952,017.40
  6. Step 6: Final answer
    x = 46,704,779.85

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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.