Home / 74,941,863.60-103,388,103.57-50,170,031.55

Finding the Fourth Proportional to 74,941,863.60, 103,388,103.57 and 50,170,031.55

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Solution

The fourth proportional to 74,941,863.60, 103,388,103.57 and 50,170,031.55 is: 69,213,443.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,941,863.60 : 103,388,103.57 = 50,170,031.55 : x
  2. Step 2: Convert to fraction form
    74,941,863.60/103,388,103.57 = 50,170,031.55/x
  3. Step 3: Cross multiply
    74,941,863.60x = 103,388,103.57 × 50,170,031.55
  4. Step 4: Simplify right side
    74,941,863.60x = 5,186,984,418,001,567
  5. Step 5: Solve for x
    x = 5,186,984,418,001,567/74,941,863.60
  6. Step 6: Final answer
    x = 69,213,443.18

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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.