Home / 54,387,515.20-81,581,272.80-52,297,326.40

Finding the Fourth Proportional to 54,387,515.20, 81,581,272.80 and 52,297,326.40

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Solution

The fourth proportional to 54,387,515.20, 81,581,272.80 and 52,297,326.40 is: 78,445,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,387,515.20 : 81,581,272.80 = 52,297,326.40 : x
  2. Step 2: Convert to fraction form
    54,387,515.20/81,581,272.80 = 52,297,326.40/x
  3. Step 3: Cross multiply
    54,387,515.20x = 81,581,272.80 × 52,297,326.40
  4. Step 4: Simplify right side
    54,387,515.20x = 4,266,482,451,749,041.50
  5. Step 5: Solve for x
    x = 4,266,482,451,749,041.50/54,387,515.20
  6. Step 6: Final answer
    x = 78,445,989.60

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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.