Home / 160,520,351.67-221,510,672.10-90,906,230.88

Finding the Fourth Proportional to 160,520,351.67, 221,510,672.10 and 90,906,230.88

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Solution

The fourth proportional to 160,520,351.67, 221,510,672.10 and 90,906,230.88 is: 125,446,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,520,351.67 : 221,510,672.10 = 90,906,230.88 : x
  2. Step 2: Convert to fraction form
    160,520,351.67/221,510,672.10 = 90,906,230.88/x
  3. Step 3: Cross multiply
    160,520,351.67x = 221,510,672.10 × 90,906,230.88
  4. Step 4: Simplify right side
    160,520,351.67x = 20,136,700,300,306,572
  5. Step 5: Solve for x
    x = 20,136,700,300,306,572/160,520,351.67
  6. Step 6: Final answer
    x = 125,446,400.35

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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.