Home / 57,990,678.40-80,024,983.92-31,883,643.04

Finding the Fourth Proportional to 57,990,678.40, 80,024,983.92 and 31,883,643.04

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Solution

The fourth proportional to 57,990,678.40, 80,024,983.92 and 31,883,643.04 is: 43,998,244.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,990,678.40 : 80,024,983.92 = 31,883,643.04 : x
  2. Step 2: Convert to fraction form
    57,990,678.40/80,024,983.92 = 31,883,643.04/x
  3. Step 3: Cross multiply
    57,990,678.40x = 80,024,983.92 × 31,883,643.04
  4. Step 4: Simplify right side
    57,990,678.40x = 2,551,488,021,587,020
  5. Step 5: Solve for x
    x = 2,551,488,021,587,020/57,990,678.40
  6. Step 6: Final answer
    x = 43,998,244.06

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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.