Home / 179,272,258.20-247,408,385.80-99,892,589.08

Finding the Fourth Proportional to 179,272,258.20, 247,408,385.80 and 99,892,589.08

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Solution

The fourth proportional to 179,272,258.20, 247,408,385.80 and 99,892,589.08 is: 137,858,832.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,272,258.20 : 247,408,385.80 = 99,892,589.08 : x
  2. Step 2: Convert to fraction form
    179,272,258.20/247,408,385.80 = 99,892,589.08/x
  3. Step 3: Cross multiply
    179,272,258.20x = 247,408,385.80 × 99,892,589.08
  4. Step 4: Simplify right side
    179,272,258.20x = 24,714,264,217,665,508
  5. Step 5: Solve for x
    x = 24,714,264,217,665,508/179,272,258.20
  6. Step 6: Final answer
    x = 137,858,832.51

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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.