Home / 98,408,859.20-147,613,288.80-47,278,548.80

Finding the Fourth Proportional to 98,408,859.20, 147,613,288.80 and 47,278,548.80

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Solution

The fourth proportional to 98,408,859.20, 147,613,288.80 and 47,278,548.80 is: 70,917,823.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,408,859.20 : 147,613,288.80 = 47,278,548.80 : x
  2. Step 2: Convert to fraction form
    98,408,859.20/147,613,288.80 = 47,278,548.80/x
  3. Step 3: Cross multiply
    98,408,859.20x = 147,613,288.80 × 47,278,548.80
  4. Step 4: Simplify right side
    98,408,859.20x = 6,978,942,078,059,294
  5. Step 5: Solve for x
    x = 6,978,942,078,059,294/98,408,859.20
  6. Step 6: Final answer
    x = 70,917,823.20

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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.