Home / 132,144,037.60-198,216,056.40-86,227,535.20

Finding the Fourth Proportional to 132,144,037.60, 198,216,056.40 and 86,227,535.20

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Solution

The fourth proportional to 132,144,037.60, 198,216,056.40 and 86,227,535.20 is: 129,341,302.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,144,037.60 : 198,216,056.40 = 86,227,535.20 : x
  2. Step 2: Convert to fraction form
    132,144,037.60/198,216,056.40 = 86,227,535.20/x
  3. Step 3: Cross multiply
    132,144,037.60x = 198,216,056.40 × 86,227,535.20
  4. Step 4: Simplify right side
    132,144,037.60x = 17,091,681,980,436,186
  5. Step 5: Solve for x
    x = 17,091,681,980,436,186/132,144,037.60
  6. Step 6: Final answer
    x = 129,341,302.80

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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.