Home / 87,641,841.94-120,949,303.04-48,482,943.55

Finding the Fourth Proportional to 87,641,841.94, 120,949,303.04 and 48,482,943.55

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Solution

The fourth proportional to 87,641,841.94, 120,949,303.04 and 48,482,943.55 is: 66,908,432.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,641,841.94 : 120,949,303.04 = 48,482,943.55 : x
  2. Step 2: Convert to fraction form
    87,641,841.94/120,949,303.04 = 48,482,943.55/x
  3. Step 3: Cross multiply
    87,641,841.94x = 120,949,303.04 × 48,482,943.55
  4. Step 4: Simplify right side
    87,641,841.94x = 5,863,978,231,337,186
  5. Step 5: Solve for x
    x = 5,863,978,231,337,186/87,641,841.94
  6. Step 6: Final answer
    x = 66,908,432.11

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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.