Home / 54,262,209.80-81,393,314.70-20,176,502.60

Finding the Fourth Proportional to 54,262,209.80, 81,393,314.70 and 20,176,502.60

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Solution

The fourth proportional to 54,262,209.80, 81,393,314.70 and 20,176,502.60 is: 30,264,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,262,209.80 : 81,393,314.70 = 20,176,502.60 : x
  2. Step 2: Convert to fraction form
    54,262,209.80/81,393,314.70 = 20,176,502.60/x
  3. Step 3: Cross multiply
    54,262,209.80x = 81,393,314.70 × 20,176,502.60
  4. Step 4: Simplify right side
    54,262,209.80x = 1,642,232,425,667,168.50
  5. Step 5: Solve for x
    x = 1,642,232,425,667,168.50/54,262,209.80
  6. Step 6: Final answer
    x = 30,264,753.90

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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.