Home / 372,148,510.41-558,222,728.90-99,512,191.53

Finding the Fourth Proportional to 372,148,510.41, 558,222,728.90 and 99,512,191.53

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Solution

The fourth proportional to 372,148,510.41, 558,222,728.90 and 99,512,191.53 is: 149,268,277.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,148,510.41 : 558,222,728.90 = 99,512,191.53 : x
  2. Step 2: Convert to fraction form
    372,148,510.41/558,222,728.90 = 99,512,191.53/x
  3. Step 3: Cross multiply
    372,148,510.41x = 558,222,728.90 × 99,512,191.53
  4. Step 4: Simplify right side
    372,148,510.41x = 55,549,967,114,198,504
  5. Step 5: Solve for x
    x = 55,549,967,114,198,504/372,148,510.41
  6. Step 6: Final answer
    x = 149,268,277.48

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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.