Home / 87,899,656.95-121,303,753.77-48,208,767.91

Finding the Fourth Proportional to 87,899,656.95, 121,303,753.77 and 48,208,767.91

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Solution

The fourth proportional to 87,899,656.95, 121,303,753.77 and 48,208,767.91 is: 66,529,321.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,899,656.95 : 121,303,753.77 = 48,208,767.91 : x
  2. Step 2: Convert to fraction form
    87,899,656.95/121,303,753.77 = 48,208,767.91/x
  3. Step 3: Cross multiply
    87,899,656.95x = 121,303,753.77 × 48,208,767.91
  4. Step 4: Simplify right side
    87,899,656.95x = 5,847,904,511,987,241
  5. Step 5: Solve for x
    x = 5,847,904,511,987,241/87,899,656.95
  6. Step 6: Final answer
    x = 66,529,321.22

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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.