Home / 132,138,001.40-198,207,002.10-97,700,624.60

Finding the Fourth Proportional to 132,138,001.40, 198,207,002.10 and 97,700,624.60

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Solution

The fourth proportional to 132,138,001.40, 198,207,002.10 and 97,700,624.60 is: 146,550,936.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,138,001.40 : 198,207,002.10 = 97,700,624.60 : x
  2. Step 2: Convert to fraction form
    132,138,001.40/198,207,002.10 = 97,700,624.60/x
  3. Step 3: Cross multiply
    132,138,001.40x = 198,207,002.10 × 97,700,624.60
  4. Step 4: Simplify right side
    132,138,001.40x = 19,364,947,905,263,508
  5. Step 5: Solve for x
    x = 19,364,947,905,263,508/132,138,001.40
  6. Step 6: Final answer
    x = 146,550,936.90

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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.