Home / 388,272,073.12-582,490,005.56-125,936,250.26

Finding the Fourth Proportional to 388,272,073.12, 582,490,005.56 and 125,936,250.26

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Solution

The fourth proportional to 388,272,073.12, 582,490,005.56 and 125,936,250.26 is: 188,930,938.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,272,073.12 : 582,490,005.56 = 125,936,250.26 : x
  2. Step 2: Convert to fraction form
    388,272,073.12/582,490,005.56 = 125,936,250.26/x
  3. Step 3: Cross multiply
    388,272,073.12x = 582,490,005.56 × 125,936,250.26
  4. Step 4: Simplify right side
    388,272,073.12x = 73,356,607,114,152,944
  5. Step 5: Solve for x
    x = 73,356,607,114,152,944/388,272,073.12
  6. Step 6: Final answer
    x = 188,930,938.36

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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.