Home / 54,282,673.20-81,424,009.80-38,126,866.80

Finding the Fourth Proportional to 54,282,673.20, 81,424,009.80 and 38,126,866.80

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Solution

The fourth proportional to 54,282,673.20, 81,424,009.80 and 38,126,866.80 is: 57,190,300.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,282,673.20 : 81,424,009.80 = 38,126,866.80 : x
  2. Step 2: Convert to fraction form
    54,282,673.20/81,424,009.80 = 38,126,866.80/x
  3. Step 3: Cross multiply
    54,282,673.20x = 81,424,009.80 × 38,126,866.80
  4. Step 4: Simplify right side
    54,282,673.20x = 3,104,442,375,966,494.50
  5. Step 5: Solve for x
    x = 3,104,442,375,966,494.50/54,282,673.20
  6. Step 6: Final answer
    x = 57,190,300.20

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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.