Home / 57,622,863.12-79,521,444.60-31,517,380.08

Finding the Fourth Proportional to 57,622,863.12, 79,521,444.60 and 31,517,380.08

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Solution

The fourth proportional to 57,622,863.12, 79,521,444.60 and 31,517,380.08 is: 43,495,020.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,622,863.12 : 79,521,444.60 = 31,517,380.08 : x
  2. Step 2: Convert to fraction form
    57,622,863.12/79,521,444.60 = 31,517,380.08/x
  3. Step 3: Cross multiply
    57,622,863.12x = 79,521,444.60 × 31,517,380.08
  4. Step 4: Simplify right side
    57,622,863.12x = 2,506,307,593,968,863
  5. Step 5: Solve for x
    x = 2,506,307,593,968,863/57,622,863.12
  6. Step 6: Final answer
    x = 43,495,020.18

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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.