Home / 54,377,615.20-81,566,422.80-32,878,530.40

Finding the Fourth Proportional to 54,377,615.20, 81,566,422.80 and 32,878,530.40

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Solution

The fourth proportional to 54,377,615.20, 81,566,422.80 and 32,878,530.40 is: 49,317,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,377,615.20 : 81,566,422.80 = 32,878,530.40 : x
  2. Step 2: Convert to fraction form
    54,377,615.20/81,566,422.80 = 32,878,530.40/x
  3. Step 3: Cross multiply
    54,377,615.20x = 81,566,422.80 × 32,878,530.40
  4. Step 4: Simplify right side
    54,377,615.20x = 2,681,784,111,649,053
  5. Step 5: Solve for x
    x = 2,681,784,111,649,053/54,377,615.20
  6. Step 6: Final answer
    x = 49,317,795.60

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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.