Home / 174,438,891.20-261,374,901.60-145,528,500.80

Finding the Fourth Proportional to 174,438,891.20, 261,374,901.60 and 145,528,500.80

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Solution

The fourth proportional to 174,438,891.20, 261,374,901.60 and 145,528,500.80 is: 218,056,290.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,438,891.20 : 261,374,901.60 = 145,528,500.80 : x
  2. Step 2: Convert to fraction form
    174,438,891.20/261,374,901.60 = 145,528,500.80/x
  3. Step 3: Cross multiply
    174,438,891.20x = 261,374,901.60 × 145,528,500.80
  4. Step 4: Simplify right side
    174,438,891.20x = 38,037,497,576,595,520
  5. Step 5: Solve for x
    x = 38,037,497,576,595,520/174,438,891.20
  6. Step 6: Final answer
    x = 218,056,290.74

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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.