Home / 57,160,416.16-78,882,269.52-31,055,451.04

Finding the Fourth Proportional to 57,160,416.16, 78,882,269.52 and 31,055,451.04

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Solution

The fourth proportional to 57,160,416.16, 78,882,269.52 and 31,055,451.04 is: 42,857,008.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,160,416.16 : 78,882,269.52 = 31,055,451.04 : x
  2. Step 2: Convert to fraction form
    57,160,416.16/78,882,269.52 = 31,055,451.04/x
  3. Step 3: Cross multiply
    57,160,416.16x = 78,882,269.52 × 31,055,451.04
  4. Step 4: Simplify right side
    57,160,416.16x = 2,449,724,459,002,444
  5. Step 5: Solve for x
    x = 2,449,724,459,002,444/57,160,416.16
  6. Step 6: Final answer
    x = 42,857,008.81

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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.