Home / 384,336,220.55-576,385,094.97-138,660,918.12

Finding the Fourth Proportional to 384,336,220.55, 576,385,094.97 and 138,660,918.12

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Solution

The fourth proportional to 384,336,220.55, 576,385,094.97 and 138,660,918.12 is: 207,948,359.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,336,220.55 : 576,385,094.97 = 138,660,918.12 : x
  2. Step 2: Convert to fraction form
    384,336,220.55/576,385,094.97 = 138,660,918.12/x
  3. Step 3: Cross multiply
    384,336,220.55x = 576,385,094.97 × 138,660,918.12
  4. Step 4: Simplify right side
    384,336,220.55x = 79,922,086,459,223,600
  5. Step 5: Solve for x
    x = 79,922,086,459,223,600/384,336,220.55
  6. Step 6: Final answer
    x = 207,948,359.24

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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.