Home / 144,443,691.24-199,332,672.44-78,364,186.08

Finding the Fourth Proportional to 144,443,691.24, 199,332,672.44 and 78,364,186.08

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Solution

The fourth proportional to 144,443,691.24, 199,332,672.44 and 78,364,186.08 is: 108,142,782.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,443,691.24 : 199,332,672.44 = 78,364,186.08 : x
  2. Step 2: Convert to fraction form
    144,443,691.24/199,332,672.44 = 78,364,186.08/x
  3. Step 3: Cross multiply
    144,443,691.24x = 199,332,672.44 × 78,364,186.08
  4. Step 4: Simplify right side
    144,443,691.24x = 15,620,542,634,911,848
  5. Step 5: Solve for x
    x = 15,620,542,634,911,848/144,443,691.24
  6. Step 6: Final answer
    x = 108,142,782.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.