Home / 71,828,454.68-107,742,683.45-17,241,040.21

Finding the Fourth Proportional to 71,828,454.68, 107,742,683.45 and 17,241,040.21

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Solution

The fourth proportional to 71,828,454.68, 107,742,683.45 and 17,241,040.21 is: 25,861,560.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,828,454.68 : 107,742,683.45 = 17,241,040.21 : x
  2. Step 2: Convert to fraction form
    71,828,454.68/107,742,683.45 = 17,241,040.21/x
  3. Step 3: Cross multiply
    71,828,454.68x = 107,742,683.45 × 17,241,040.21
  4. Step 4: Simplify right side
    71,828,454.68x = 1,857,595,937,468,497.50
  5. Step 5: Solve for x
    x = 1,857,595,937,468,497.50/71,828,454.68
  6. Step 6: Final answer
    x = 25,861,560.65

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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.