Home / 145,541,187.20-218,311,780.80-43,291,938.80

Finding the Fourth Proportional to 145,541,187.20, 218,311,780.80 and 43,291,938.80

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Solution

The fourth proportional to 145,541,187.20, 218,311,780.80 and 43,291,938.80 is: 64,937,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,541,187.20 : 218,311,780.80 = 43,291,938.80 : x
  2. Step 2: Convert to fraction form
    145,541,187.20/218,311,780.80 = 43,291,938.80/x
  3. Step 3: Cross multiply
    145,541,187.20x = 218,311,780.80 × 43,291,938.80
  4. Step 4: Simplify right side
    145,541,187.20x = 9,451,140,253,712,614
  5. Step 5: Solve for x
    x = 9,451,140,253,712,614/145,541,187.20
  6. Step 6: Final answer
    x = 64,937,908.20

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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.