Home / 192,456,138.60-288,684,207.90-90,230,509.80

Finding the Fourth Proportional to 192,456,138.60, 288,684,207.90 and 90,230,509.80

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Solution

The fourth proportional to 192,456,138.60, 288,684,207.90 and 90,230,509.80 is: 135,345,764.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,456,138.60 : 288,684,207.90 = 90,230,509.80 : x
  2. Step 2: Convert to fraction form
    192,456,138.60/288,684,207.90 = 90,230,509.80/x
  3. Step 3: Cross multiply
    192,456,138.60x = 288,684,207.90 × 90,230,509.80
  4. Step 4: Simplify right side
    192,456,138.60x = 26,048,123,250,026,184
  5. Step 5: Solve for x
    x = 26,048,123,250,026,184/192,456,138.60
  6. Step 6: Final answer
    x = 135,345,764.70

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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.