Home / 221,436,585.20-332,154,877.80-129,225,666.80

Finding the Fourth Proportional to 221,436,585.20, 332,154,877.80 and 129,225,666.80

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Solution

The fourth proportional to 221,436,585.20, 332,154,877.80 and 129,225,666.80 is: 193,838,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,436,585.20 : 332,154,877.80 = 129,225,666.80 : x
  2. Step 2: Convert to fraction form
    221,436,585.20/332,154,877.80 = 129,225,666.80/x
  3. Step 3: Cross multiply
    221,436,585.20x = 332,154,877.80 × 129,225,666.80
  4. Step 4: Simplify right side
    221,436,585.20x = 42,922,935,564,577,520
  5. Step 5: Solve for x
    x = 42,922,935,564,577,520/221,436,585.20
  6. Step 6: Final answer
    x = 193,838,500.20

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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.