Home / 71,423,656.44-107,149,274.10-30,482,498.04

Finding the Fourth Proportional to 71,423,656.44, 107,149,274.10 and 30,482,498.04

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Solution

The fourth proportional to 71,423,656.44, 107,149,274.10 and 30,482,498.04 is: 45,729,632.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,423,656.44 : 107,149,274.10 = 30,482,498.04 : x
  2. Step 2: Convert to fraction form
    71,423,656.44/107,149,274.10 = 30,482,498.04/x
  3. Step 3: Cross multiply
    71,423,656.44x = 107,149,274.10 × 30,482,498.04
  4. Step 4: Simplify right side
    71,423,656.44x = 3,266,177,537,740,672.50
  5. Step 5: Solve for x
    x = 3,266,177,537,740,672.50/71,423,656.44
  6. Step 6: Final answer
    x = 45,729,632.18

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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.