Home / 71,720,706.60-98,974,113.12-40,780,873.44

Finding the Fourth Proportional to 71,720,706.60, 98,974,113.12 and 40,780,873.44

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Solution

The fourth proportional to 71,720,706.60, 98,974,113.12 and 40,780,873.44 is: 56,277,342.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,720,706.60 : 98,974,113.12 = 40,780,873.44 : x
  2. Step 2: Convert to fraction form
    71,720,706.60/98,974,113.12 = 40,780,873.44/x
  3. Step 3: Cross multiply
    71,720,706.60x = 98,974,113.12 × 40,780,873.44
  4. Step 4: Simplify right side
    71,720,706.60x = 4,036,250,780,982,963.50
  5. Step 5: Solve for x
    x = 4,036,250,780,982,963.50/71,720,706.60
  6. Step 6: Final answer
    x = 56,277,342.66

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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.