Home / 221,615,998.40-332,423,997.60-106,541,307.20

Finding the Fourth Proportional to 221,615,998.40, 332,423,997.60 and 106,541,307.20

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Solution

The fourth proportional to 221,615,998.40, 332,423,997.60 and 106,541,307.20 is: 159,811,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,615,998.40 : 332,423,997.60 = 106,541,307.20 : x
  2. Step 2: Convert to fraction form
    221,615,998.40/332,423,997.60 = 106,541,307.20/x
  3. Step 3: Cross multiply
    221,615,998.40x = 332,423,997.60 × 106,541,307.20
  4. Step 4: Simplify right side
    221,615,998.40x = 35,416,887,248,953,668
  5. Step 5: Solve for x
    x = 35,416,887,248,953,668/221,615,998.40
  6. Step 6: Final answer
    x = 159,811,960.80

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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.