Home / 160,520,863.22-221,519,924.98-87,182,005.22

Finding the Fourth Proportional to 160,520,863.22, 221,519,924.98 and 87,182,005.22

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Solution

The fourth proportional to 160,520,863.22, 221,519,924.98 and 87,182,005.22 is: 120,311,782.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,520,863.22 : 221,519,924.98 = 87,182,005.22 : x
  2. Step 2: Convert to fraction form
    160,520,863.22/221,519,924.98 = 87,182,005.22/x
  3. Step 3: Cross multiply
    160,520,863.22x = 221,519,924.98 × 87,182,005.22
  4. Step 4: Simplify right side
    160,520,863.22x = 19,312,551,254,614,812
  5. Step 5: Solve for x
    x = 19,312,551,254,614,812/160,520,863.22
  6. Step 6: Final answer
    x = 120,311,782.95

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1.5x scale

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.