Home / 57,490,873.34-79,337,001.60-31,385,391.17

Finding the Fourth Proportional to 57,490,873.34, 79,337,001.60 and 31,385,391.17

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Solution

The fourth proportional to 57,490,873.34, 79,337,001.60 and 31,385,391.17 is: 43,311,619.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,490,873.34 : 79,337,001.60 = 31,385,391.17 : x
  2. Step 2: Convert to fraction form
    57,490,873.34/79,337,001.60 = 31,385,391.17/x
  3. Step 3: Cross multiply
    57,490,873.34x = 79,337,001.60 × 31,385,391.17
  4. Step 4: Simplify right side
    57,490,873.34x = 2,490,022,829,191,926
  5. Step 5: Solve for x
    x = 2,490,022,829,191,926/57,490,873.34
  6. Step 6: Final answer
    x = 43,311,619.48

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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.