Home / 221,337,708.60-332,006,562.90-77,730,540.60

Finding the Fourth Proportional to 221,337,708.60, 332,006,562.90 and 77,730,540.60

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Solution

The fourth proportional to 221,337,708.60, 332,006,562.90 and 77,730,540.60 is: 116,595,810.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,337,708.60 : 332,006,562.90 = 77,730,540.60 : x
  2. Step 2: Convert to fraction form
    221,337,708.60/332,006,562.90 = 77,730,540.60/x
  3. Step 3: Cross multiply
    221,337,708.60x = 332,006,562.90 × 77,730,540.60
  4. Step 4: Simplify right side
    221,337,708.60x = 25,807,049,616,964,900
  5. Step 5: Solve for x
    x = 25,807,049,616,964,900/221,337,708.60
  6. Step 6: Final answer
    x = 116,595,810.90

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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.