Home / 145,541,255.40-218,311,883.10-143,628,067.80

Finding the Fourth Proportional to 145,541,255.40, 218,311,883.10 and 143,628,067.80

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Solution

The fourth proportional to 145,541,255.40, 218,311,883.10 and 143,628,067.80 is: 215,442,101.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,541,255.40 : 218,311,883.10 = 143,628,067.80 : x
  2. Step 2: Convert to fraction form
    145,541,255.40/218,311,883.10 = 143,628,067.80/x
  3. Step 3: Cross multiply
    145,541,255.40x = 218,311,883.10 × 143,628,067.80
  4. Step 4: Simplify right side
    145,541,255.40x = 31,355,713,947,432,476
  5. Step 5: Solve for x
    x = 31,355,713,947,432,476/145,541,255.40
  6. Step 6: Final answer
    x = 215,442,101.70

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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.