Home / 171,868,935.60-257,425,489.80-90,995,425.20

Finding the Fourth Proportional to 171,868,935.60, 257,425,489.80 and 90,995,425.20

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Solution

The fourth proportional to 171,868,935.60, 257,425,489.80 and 90,995,425.20 is: 136,293,052.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,868,935.60 : 257,425,489.80 = 90,995,425.20 : x
  2. Step 2: Convert to fraction form
    171,868,935.60/257,425,489.80 = 90,995,425.20/x
  3. Step 3: Cross multiply
    171,868,935.60x = 257,425,489.80 × 90,995,425.20
  4. Step 4: Simplify right side
    171,868,935.60x = 23,424,541,901,669,264
  5. Step 5: Solve for x
    x = 23,424,541,901,669,264/171,868,935.60
  6. Step 6: Final answer
    x = 136,293,052.73

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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.