Home / 108,254,005.20-162,381,007.80-40,087,839.60

Finding the Fourth Proportional to 108,254,005.20, 162,381,007.80 and 40,087,839.60

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Solution

The fourth proportional to 108,254,005.20, 162,381,007.80 and 40,087,839.60 is: 60,131,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,254,005.20 : 162,381,007.80 = 40,087,839.60 : x
  2. Step 2: Convert to fraction form
    108,254,005.20/162,381,007.80 = 40,087,839.60/x
  3. Step 3: Cross multiply
    108,254,005.20x = 162,381,007.80 × 40,087,839.60
  4. Step 4: Simplify right side
    108,254,005.20x = 6,509,503,794,772,750
  5. Step 5: Solve for x
    x = 6,509,503,794,772,750/108,254,005.20
  6. Step 6: Final answer
    x = 60,131,759.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.