Home / 155,227,101.20-214,246,550.39-89,184,014.72

Finding the Fourth Proportional to 155,227,101.20, 214,246,550.39 and 89,184,014.72

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Solution

The fourth proportional to 155,227,101.20, 214,246,550.39 and 89,184,014.72 is: 123,092,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,227,101.20 : 214,246,550.39 = 89,184,014.72 : x
  2. Step 2: Convert to fraction form
    155,227,101.20/214,246,550.39 = 89,184,014.72/x
  3. Step 3: Cross multiply
    155,227,101.20x = 214,246,550.39 × 89,184,014.72
  4. Step 4: Simplify right side
    155,227,101.20x = 19,107,367,503,478,468
  5. Step 5: Solve for x
    x = 19,107,367,503,478,468/155,227,101.20
  6. Step 6: Final answer
    x = 123,092,986.70

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1.5x scale

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.