Home / 168,912,138.60-253,368,207.90-104,005,477.80

Finding the Fourth Proportional to 168,912,138.60, 253,368,207.90 and 104,005,477.80

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Solution

The fourth proportional to 168,912,138.60, 253,368,207.90 and 104,005,477.80 is: 156,008,216.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,912,138.60 : 253,368,207.90 = 104,005,477.80 : x
  2. Step 2: Convert to fraction form
    168,912,138.60/253,368,207.90 = 104,005,477.80/x
  3. Step 3: Cross multiply
    168,912,138.60x = 253,368,207.90 × 104,005,477.80
  4. Step 4: Simplify right side
    168,912,138.60x = 26,351,681,521,969,236
  5. Step 5: Solve for x
    x = 26,351,681,521,969,236/168,912,138.60
  6. Step 6: Final answer
    x = 156,008,216.70

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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.