Home / 82,044,543.72-113,196,890.13-47,236,339.20

Finding the Fourth Proportional to 82,044,543.72, 113,196,890.13 and 47,236,339.20

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Solution

The fourth proportional to 82,044,543.72, 113,196,890.13 and 47,236,339.20 is: 65,171,996.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,044,543.72 : 113,196,890.13 = 47,236,339.20 : x
  2. Step 2: Convert to fraction form
    82,044,543.72/113,196,890.13 = 47,236,339.20/x
  3. Step 3: Cross multiply
    82,044,543.72x = 113,196,890.13 × 47,236,339.20
  4. Step 4: Simplify right side
    82,044,543.72x = 5,347,006,698,565,812
  5. Step 5: Solve for x
    x = 5,347,006,698,565,812/82,044,543.72
  6. Step 6: Final answer
    x = 65,171,996.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.