Home / 57,272,272.06-79,035,748.31-31,518,160.06

Finding the Fourth Proportional to 57,272,272.06, 79,035,748.31 and 31,518,160.06

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Solution

The fourth proportional to 57,272,272.06, 79,035,748.31 and 31,518,160.06 is: 43,495,067.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,272,272.06 : 79,035,748.31 = 31,518,160.06 : x
  2. Step 2: Convert to fraction form
    57,272,272.06/79,035,748.31 = 31,518,160.06/x
  3. Step 3: Cross multiply
    57,272,272.06x = 79,035,748.31 × 31,518,160.06
  4. Step 4: Simplify right side
    57,272,272.06x = 2,491,061,365,696,454.50
  5. Step 5: Solve for x
    x = 2,491,061,365,696,454.50/57,272,272.06
  6. Step 6: Final answer
    x = 43,495,067.96

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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.