Home / 132,013,085.60-198,019,628.40-77,451,809.60

Finding the Fourth Proportional to 132,013,085.60, 198,019,628.40 and 77,451,809.60

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Solution

The fourth proportional to 132,013,085.60, 198,019,628.40 and 77,451,809.60 is: 116,177,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,013,085.60 : 198,019,628.40 = 77,451,809.60 : x
  2. Step 2: Convert to fraction form
    132,013,085.60/198,019,628.40 = 77,451,809.60/x
  3. Step 3: Cross multiply
    132,013,085.60x = 198,019,628.40 × 77,451,809.60
  4. Step 4: Simplify right side
    132,013,085.60x = 15,336,978,555,899,552
  5. Step 5: Solve for x
    x = 15,336,978,555,899,552/132,013,085.60
  6. Step 6: Final answer
    x = 116,177,714.40

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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.