Home / 87,216,216.92-120,352,956.32-48,055,802.21

Finding the Fourth Proportional to 87,216,216.92, 120,352,956.32 and 48,055,802.21

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Solution

The fourth proportional to 87,216,216.92, 120,352,956.32 and 48,055,802.21 is: 66,314,018.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,216,216.92 : 120,352,956.32 = 48,055,802.21 : x
  2. Step 2: Convert to fraction form
    87,216,216.92/120,352,956.32 = 48,055,802.21/x
  3. Step 3: Cross multiply
    87,216,216.92x = 120,352,956.32 × 48,055,802.21
  4. Step 4: Simplify right side
    87,216,216.92x = 5,783,657,864,002,315
  5. Step 5: Solve for x
    x = 5,783,657,864,002,315/87,216,216.92
  6. Step 6: Final answer
    x = 66,314,018.98

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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.