Home / 57,272,266.56-79,035,740.72-31,518,154.56

Finding the Fourth Proportional to 57,272,266.56, 79,035,740.72 and 31,518,154.56

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Solution

The fourth proportional to 57,272,266.56, 79,035,740.72 and 31,518,154.56 is: 43,495,060.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,272,266.56 : 79,035,740.72 = 31,518,154.56 : x
  2. Step 2: Convert to fraction form
    57,272,266.56/79,035,740.72 = 31,518,154.56/x
  3. Step 3: Cross multiply
    57,272,266.56x = 79,035,740.72 × 31,518,154.56
  4. Step 4: Simplify right side
    57,272,266.56x = 2,491,060,691,777,045.50
  5. Step 5: Solve for x
    x = 2,491,060,691,777,045.50/57,272,266.56
  6. Step 6: Final answer
    x = 43,495,060.37

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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.