Home / 372,148,515.66-558,222,736.77-99,512,196.78

Finding the Fourth Proportional to 372,148,515.66, 558,222,736.77 and 99,512,196.78

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Solution

The fourth proportional to 372,148,515.66, 558,222,736.77 and 99,512,196.78 is: 149,268,285.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,148,515.66 : 558,222,736.77 = 99,512,196.78 : x
  2. Step 2: Convert to fraction form
    372,148,515.66/558,222,736.77 = 99,512,196.78/x
  3. Step 3: Cross multiply
    372,148,515.66x = 558,222,736.77 × 99,512,196.78
  4. Step 4: Simplify right side
    372,148,515.66x = 55,549,970,828,526,384
  5. Step 5: Solve for x
    x = 55,549,970,828,526,384/372,148,515.66
  6. Step 6: Final answer
    x = 149,268,285.35

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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.