Home / 57,272,257.50-79,035,728.31-31,518,145.50

Finding the Fourth Proportional to 57,272,257.50, 79,035,728.31 and 31,518,145.50

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Solution

The fourth proportional to 57,272,257.50, 79,035,728.31 and 31,518,145.50 is: 43,495,047.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,272,257.50 : 79,035,728.31 = 31,518,145.50 : x
  2. Step 2: Convert to fraction form
    57,272,257.50/79,035,728.31 = 31,518,145.50/x
  3. Step 3: Cross multiply
    57,272,257.50x = 79,035,728.31 × 31,518,145.50
  4. Step 4: Simplify right side
    57,272,257.50x = 2,491,059,584,573,049
  5. Step 5: Solve for x
    x = 2,491,059,584,573,049/57,272,257.50
  6. Step 6: Final answer
    x = 43,495,047.92

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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.