Home / 384,336,265.08-576,385,164.72-138,660,963.24

Finding the Fourth Proportional to 384,336,265.08, 576,385,164.72 and 138,660,963.24

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Solution

The fourth proportional to 384,336,265.08, 576,385,164.72 and 138,660,963.24 is: 207,948,427.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,336,265.08 : 576,385,164.72 = 138,660,963.24 : x
  2. Step 2: Convert to fraction form
    384,336,265.08/576,385,164.72 = 138,660,963.24/x
  3. Step 3: Cross multiply
    384,336,265.08x = 576,385,164.72 × 138,660,963.24
  4. Step 4: Simplify right side
    384,336,265.08x = 79,922,122,137,321,280
  5. Step 5: Solve for x
    x = 79,922,122,137,321,280/384,336,265.08
  6. Step 6: Final answer
    x = 207,948,427.98

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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.