Home / 54,118,685.48-81,169,386.66-15,771,229.70

Finding the Fourth Proportional to 54,118,685.48, 81,169,386.66 and 15,771,229.70

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Solution

The fourth proportional to 54,118,685.48, 81,169,386.66 and 15,771,229.70 is: 23,654,326.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,118,685.48 : 81,169,386.66 = 15,771,229.70 : x
  2. Step 2: Convert to fraction form
    54,118,685.48/81,169,386.66 = 15,771,229.70/x
  3. Step 3: Cross multiply
    54,118,685.48x = 81,169,386.66 × 15,771,229.70
  4. Step 4: Simplify right side
    54,118,685.48x = 1,280,141,041,622,975.75
  5. Step 5: Solve for x
    x = 1,280,141,041,622,975.75/54,118,685.48
  6. Step 6: Final answer
    x = 23,654,326.23

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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.