Home / 372,148,557.24-558,222,798.90-99,512,238.20

Finding the Fourth Proportional to 372,148,557.24, 558,222,798.90 and 99,512,238.20

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Solution

The fourth proportional to 372,148,557.24, 558,222,798.90 and 99,512,238.20 is: 149,268,347.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,148,557.24 : 558,222,798.90 = 99,512,238.20 : x
  2. Step 2: Convert to fraction form
    372,148,557.24/558,222,798.90 = 99,512,238.20/x
  3. Step 3: Cross multiply
    372,148,557.24x = 558,222,798.90 × 99,512,238.20
  4. Step 4: Simplify right side
    372,148,557.24x = 55,550,000,132,807,496
  5. Step 5: Solve for x
    x = 55,550,000,132,807,496/372,148,557.24
  6. Step 6: Final answer
    x = 149,268,347.42

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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.