Home / 57,490,874.34-79,337,002.98-31,385,392.17

Finding the Fourth Proportional to 57,490,874.34, 79,337,002.98 and 31,385,392.17

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Solution

The fourth proportional to 57,490,874.34, 79,337,002.98 and 31,385,392.17 is: 43,311,620.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,490,874.34 : 79,337,002.98 = 31,385,392.17 : x
  2. Step 2: Convert to fraction form
    57,490,874.34/79,337,002.98 = 31,385,392.17/x
  3. Step 3: Cross multiply
    57,490,874.34x = 79,337,002.98 × 31,385,392.17
  4. Step 4: Simplify right side
    57,490,874.34x = 2,490,022,952,119,759
  5. Step 5: Solve for x
    x = 2,490,022,952,119,759/57,490,874.34
  6. Step 6: Final answer
    x = 43,311,620.86

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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.