Home / 87,221,491.16-120,366,465.01-48,064,669.20

Finding the Fourth Proportional to 87,221,491.16, 120,366,465.01 and 48,064,669.20

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Solution

The fourth proportional to 87,221,491.16, 120,366,465.01 and 48,064,669.20 is: 66,329,688.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,221,491.16 : 120,366,465.01 = 48,064,669.20 : x
  2. Step 2: Convert to fraction form
    87,221,491.16/120,366,465.01 = 48,064,669.20/x
  3. Step 3: Cross multiply
    87,221,491.16x = 120,366,465.01 × 48,064,669.20
  4. Step 4: Simplify right side
    87,221,491.16x = 5,785,374,323,358,863
  5. Step 5: Solve for x
    x = 5,785,374,323,358,863/87,221,491.16
  6. Step 6: Final answer
    x = 66,329,688.32

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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.