Home / 112,581,753.80-155,282,728.46-103,319,234.64

Finding the Fourth Proportional to 112,581,753.80, 155,282,728.46 and 103,319,234.64

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Solution

The fourth proportional to 112,581,753.80, 155,282,728.46 and 103,319,234.64 is: 142,507,041.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,581,753.80 : 155,282,728.46 = 103,319,234.64 : x
  2. Step 2: Convert to fraction form
    112,581,753.80/155,282,728.46 = 103,319,234.64/x
  3. Step 3: Cross multiply
    112,581,753.80x = 155,282,728.46 × 103,319,234.64
  4. Step 4: Simplify right side
    112,581,753.80x = 16,043,692,656,781,552
  5. Step 5: Solve for x
    x = 16,043,692,656,781,552/112,581,753.80
  6. Step 6: Final answer
    x = 142,507,041.47

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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.