Home / 221,335,531.80-332,003,297.70-156,712,306.20

Finding the Fourth Proportional to 221,335,531.80, 332,003,297.70 and 156,712,306.20

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Solution

The fourth proportional to 221,335,531.80, 332,003,297.70 and 156,712,306.20 is: 235,068,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,335,531.80 : 332,003,297.70 = 156,712,306.20 : x
  2. Step 2: Convert to fraction form
    221,335,531.80/332,003,297.70 = 156,712,306.20/x
  3. Step 3: Cross multiply
    221,335,531.80x = 332,003,297.70 × 156,712,306.20
  4. Step 4: Simplify right side
    221,335,531.80x = 52,029,002,448,572,152
  5. Step 5: Solve for x
    x = 52,029,002,448,572,152/221,335,531.80
  6. Step 6: Final answer
    x = 235,068,459.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.