Home / 123,553,539.68-185,341,080.72-40,530,399.56

Finding the Fourth Proportional to 123,553,539.68, 185,341,080.72 and 40,530,399.56

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Solution

The fourth proportional to 123,553,539.68, 185,341,080.72 and 40,530,399.56 is: 60,799,132.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,553,539.68 : 185,341,080.72 = 40,530,399.56 : x
  2. Step 2: Convert to fraction form
    123,553,539.68/185,341,080.72 = 40,530,399.56/x
  3. Step 3: Cross multiply
    123,553,539.68x = 185,341,080.72 × 40,530,399.56
  4. Step 4: Simplify right side
    123,553,539.68x = 7,511,948,056,463,813
  5. Step 5: Solve for x
    x = 7,511,948,056,463,813/123,553,539.68
  6. Step 6: Final answer
    x = 60,799,132.72

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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.