Home / 362,439,090.38-543,436,134.80-140,851,695.63

Finding the Fourth Proportional to 362,439,090.38, 543,436,134.80 and 140,851,695.63

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Solution

The fourth proportional to 362,439,090.38, 543,436,134.80 and 140,851,695.63 is: 211,191,074.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,439,090.38 : 543,436,134.80 = 140,851,695.63 : x
  2. Step 2: Convert to fraction form
    362,439,090.38/543,436,134.80 = 140,851,695.63/x
  3. Step 3: Cross multiply
    362,439,090.38x = 543,436,134.80 × 140,851,695.63
  4. Step 4: Simplify right side
    362,439,090.38x = 76,543,901,055,315,648
  5. Step 5: Solve for x
    x = 76,543,901,055,315,648/362,439,090.38
  6. Step 6: Final answer
    x = 211,191,074.83

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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.