Home / 52,278,400.80-78,417,601.20-18,188,416.80

Finding the Fourth Proportional to 52,278,400.80, 78,417,601.20 and 18,188,416.80

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Solution

The fourth proportional to 52,278,400.80, 78,417,601.20 and 18,188,416.80 is: 27,282,625.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,278,400.80 : 78,417,601.20 = 18,188,416.80 : x
  2. Step 2: Convert to fraction form
    52,278,400.80/78,417,601.20 = 18,188,416.80/x
  3. Step 3: Cross multiply
    52,278,400.80x = 78,417,601.20 × 18,188,416.80
  4. Step 4: Simplify right side
    52,278,400.80x = 1,426,292,015,081,780.25
  5. Step 5: Solve for x
    x = 1,426,292,015,081,780.25/52,278,400.80
  6. Step 6: Final answer
    x = 27,282,625.20

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1.5x scale

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.