Home / 54,282,672.70-81,424,009.05-38,126,866.30

Finding the Fourth Proportional to 54,282,672.70, 81,424,009.05 and 38,126,866.30

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Solution

The fourth proportional to 54,282,672.70, 81,424,009.05 and 38,126,866.30 is: 57,190,299.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,282,672.70 : 81,424,009.05 = 38,126,866.30 : x
  2. Step 2: Convert to fraction form
    54,282,672.70/81,424,009.05 = 38,126,866.30/x
  3. Step 3: Cross multiply
    54,282,672.70x = 81,424,009.05 × 38,126,866.30
  4. Step 4: Simplify right side
    54,282,672.70x = 3,104,442,306,659,339.50
  5. Step 5: Solve for x
    x = 3,104,442,306,659,339.50/54,282,672.70
  6. Step 6: Final answer
    x = 57,190,299.45

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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.