Home / 102,741,685.88-154,088,945.85-61,254,301.28

Finding the Fourth Proportional to 102,741,685.88, 154,088,945.85 and 61,254,301.28

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Solution

The fourth proportional to 102,741,685.88, 154,088,945.85 and 61,254,301.28 is: 91,867,391.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,741,685.88 : 154,088,945.85 = 61,254,301.28 : x
  2. Step 2: Convert to fraction form
    102,741,685.88/154,088,945.85 = 61,254,301.28/x
  3. Step 3: Cross multiply
    102,741,685.88x = 154,088,945.85 × 61,254,301.28
  4. Step 4: Simplify right side
    102,741,685.88x = 9,438,610,713,013,506
  5. Step 5: Solve for x
    x = 9,438,610,713,013,506/102,741,685.88
  6. Step 6: Final answer
    x = 91,867,391.82

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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.