Home / 85,284,989.39-127,941,616.20-29,938,467.86

Finding the Fourth Proportional to 85,284,989.39, 127,941,616.20 and 29,938,467.86

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Solution

The fourth proportional to 85,284,989.39, 127,941,616.20 and 29,938,467.86 is: 44,912,662.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,284,989.39 : 127,941,616.20 = 29,938,467.86 : x
  2. Step 2: Convert to fraction form
    85,284,989.39/127,941,616.20 = 29,938,467.86/x
  3. Step 3: Cross multiply
    85,284,989.39x = 127,941,616.20 × 29,938,467.86
  4. Step 4: Simplify right side
    85,284,989.39x = 3,830,375,963,920,447.50
  5. Step 5: Solve for x
    x = 3,830,375,963,920,447.50/85,284,989.39
  6. Step 6: Final answer
    x = 44,912,662.72

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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.