Home / 175,234,139.20-262,851,208.80-78,189,659.20

Finding the Fourth Proportional to 175,234,139.20, 262,851,208.80 and 78,189,659.20

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Solution

The fourth proportional to 175,234,139.20, 262,851,208.80 and 78,189,659.20 is: 117,284,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,234,139.20 : 262,851,208.80 = 78,189,659.20 : x
  2. Step 2: Convert to fraction form
    175,234,139.20/262,851,208.80 = 78,189,659.20/x
  3. Step 3: Cross multiply
    175,234,139.20x = 262,851,208.80 × 78,189,659.20
  4. Step 4: Simplify right side
    175,234,139.20x = 20,552,246,436,380,044
  5. Step 5: Solve for x
    x = 20,552,246,436,380,044/175,234,139.20
  6. Step 6: Final answer
    x = 117,284,488.80

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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.