Home / 48,287,834.15-66,812,669.10-42,105,773.03

Finding the Fourth Proportional to 48,287,834.15, 66,812,669.10 and 42,105,773.03

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Solution

The fourth proportional to 48,287,834.15, 66,812,669.10 and 42,105,773.03 is: 58,258,961.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,287,834.15 : 66,812,669.10 = 42,105,773.03 : x
  2. Step 2: Convert to fraction form
    48,287,834.15/66,812,669.10 = 42,105,773.03/x
  3. Step 3: Cross multiply
    48,287,834.15x = 66,812,669.10 × 42,105,773.03
  4. Step 4: Simplify right side
    48,287,834.15x = 2,813,199,080,319,031
  5. Step 5: Solve for x
    x = 2,813,199,080,319,031/48,287,834.15
  6. Step 6: Final answer
    x = 58,258,961.71

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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.