Home / 87,221,491.92-120,366,466.05-48,064,669.95

Finding the Fourth Proportional to 87,221,491.92, 120,366,466.05 and 48,064,669.95

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Solution

The fourth proportional to 87,221,491.92, 120,366,466.05 and 48,064,669.95 is: 66,329,689.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,221,491.92 : 120,366,466.05 = 48,064,669.95 : x
  2. Step 2: Convert to fraction form
    87,221,491.92/120,366,466.05 = 48,064,669.95/x
  3. Step 3: Cross multiply
    87,221,491.92x = 120,366,466.05 × 48,064,669.95
  4. Step 4: Simplify right side
    87,221,491.92x = 5,785,374,463,741,130
  5. Step 5: Solve for x
    x = 5,785,374,463,741,130/87,221,491.92
  6. Step 6: Final answer
    x = 66,329,689.35

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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.