Home / 123,670,402.80-185,505,604.20-42,891,370.80

Finding the Fourth Proportional to 123,670,402.80, 185,505,604.20 and 42,891,370.80

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Solution

The fourth proportional to 123,670,402.80, 185,505,604.20 and 42,891,370.80 is: 64,337,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,670,402.80 : 185,505,604.20 = 42,891,370.80 : x
  2. Step 2: Convert to fraction form
    123,670,402.80/185,505,604.20 = 42,891,370.80/x
  3. Step 3: Cross multiply
    123,670,402.80x = 185,505,604.20 × 42,891,370.80
  4. Step 4: Simplify right side
    123,670,402.80x = 7,956,589,655,220,236
  5. Step 5: Solve for x
    x = 7,956,589,655,220,236/123,670,402.80
  6. Step 6: Final answer
    x = 64,337,056.20

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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.