Home / 372,148,554.24-558,222,794.40-99,512,235.20

Finding the Fourth Proportional to 372,148,554.24, 558,222,794.40 and 99,512,235.20

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Solution

The fourth proportional to 372,148,554.24, 558,222,794.40 and 99,512,235.20 is: 149,268,342.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,148,554.24 : 558,222,794.40 = 99,512,235.20 : x
  2. Step 2: Convert to fraction form
    372,148,554.24/558,222,794.40 = 99,512,235.20/x
  3. Step 3: Cross multiply
    372,148,554.24x = 558,222,794.40 × 99,512,235.20
  4. Step 4: Simplify right side
    372,148,554.24x = 55,549,998,010,334,040
  5. Step 5: Solve for x
    x = 55,549,998,010,334,040/372,148,554.24
  6. Step 6: Final answer
    x = 149,268,342.92

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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.