Home / 102,741,685.38-154,088,945.10-61,254,300.78

Finding the Fourth Proportional to 102,741,685.38, 154,088,945.10 and 61,254,300.78

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Solution

The fourth proportional to 102,741,685.38, 154,088,945.10 and 61,254,300.78 is: 91,867,391.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,741,685.38 : 154,088,945.10 = 61,254,300.78 : x
  2. Step 2: Convert to fraction form
    102,741,685.38/154,088,945.10 = 61,254,300.78/x
  3. Step 3: Cross multiply
    102,741,685.38x = 154,088,945.10 × 61,254,300.78
  4. Step 4: Simplify right side
    102,741,685.38x = 9,438,610,590,028,306
  5. Step 5: Solve for x
    x = 9,438,610,590,028,306/102,741,685.38
  6. Step 6: Final answer
    x = 91,867,391.07

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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.