Home / 90,520,057.96-124,917,673.06-49,267,246.12

Finding the Fourth Proportional to 90,520,057.96, 124,917,673.06 and 49,267,246.12

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Solution

The fourth proportional to 90,520,057.96, 124,917,673.06 and 49,267,246.12 is: 67,988,795.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,520,057.96 : 124,917,673.06 = 49,267,246.12 : x
  2. Step 2: Convert to fraction form
    90,520,057.96/124,917,673.06 = 49,267,246.12/x
  3. Step 3: Cross multiply
    90,520,057.96x = 124,917,673.06 × 49,267,246.12
  4. Step 4: Simplify right side
    90,520,057.96x = 6,154,349,743,384,713
  5. Step 5: Solve for x
    x = 6,154,349,743,384,713/90,520,057.96
  6. Step 6: Final answer
    x = 67,988,795.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.