Home / 54,378,043.20-81,567,064.80-32,878,958.40

Finding the Fourth Proportional to 54,378,043.20, 81,567,064.80 and 32,878,958.40

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Solution

The fourth proportional to 54,378,043.20, 81,567,064.80 and 32,878,958.40 is: 49,318,437.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,378,043.20 : 81,567,064.80 = 32,878,958.40 : x
  2. Step 2: Convert to fraction form
    54,378,043.20/81,567,064.80 = 32,878,958.40/x
  3. Step 3: Cross multiply
    54,378,043.20x = 81,567,064.80 × 32,878,958.40
  4. Step 4: Simplify right side
    54,378,043.20x = 2,681,840,130,369,304
  5. Step 5: Solve for x
    x = 2,681,840,130,369,304/54,378,043.20
  6. Step 6: Final answer
    x = 49,318,437.60

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Similar ratio
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1.5x scale

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.