Home / 54,326,009.60-81,583,492.80-28,816,841.60

Finding the Fourth Proportional to 54,326,009.60, 81,583,492.80 and 28,816,841.60

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Solution

The fourth proportional to 54,326,009.60, 81,583,492.80 and 28,816,841.60 is: 43,275,377.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,326,009.60 : 81,583,492.80 = 28,816,841.60 : x
  2. Step 2: Convert to fraction form
    54,326,009.60/81,583,492.80 = 28,816,841.60/x
  3. Step 3: Cross multiply
    54,326,009.60x = 81,583,492.80 × 28,816,841.60
  4. Step 4: Simplify right side
    54,326,009.60x = 2,350,978,589,192,340.50
  5. Step 5: Solve for x
    x = 2,350,978,589,192,340.50/54,326,009.60
  6. Step 6: Final answer
    x = 43,275,377.79

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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.