Home / 57,781,353.57-79,743,312.47-31,680,915.93

Finding the Fourth Proportional to 57,781,353.57, 79,743,312.47 and 31,680,915.93

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Solution

The fourth proportional to 57,781,353.57, 79,743,312.47 and 31,680,915.93 is: 43,722,429.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,781,353.57 : 79,743,312.47 = 31,680,915.93 : x
  2. Step 2: Convert to fraction form
    57,781,353.57/79,743,312.47 = 31,680,915.93/x
  3. Step 3: Cross multiply
    57,781,353.57x = 79,743,312.47 × 31,680,915.93
  4. Step 4: Simplify right side
    57,781,353.57x = 2,526,341,178,341,790.50
  5. Step 5: Solve for x
    x = 2,526,341,178,341,790.50/57,781,353.57
  6. Step 6: Final answer
    x = 43,722,429.85

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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.