Home / 144,719,903.20-217,016,869.20-47,638,098.40

Finding the Fourth Proportional to 144,719,903.20, 217,016,869.20 and 47,638,098.40

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Solution

The fourth proportional to 144,719,903.20, 217,016,869.20 and 47,638,098.40 is: 71,436,414.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,719,903.20 : 217,016,869.20 = 47,638,098.40 : x
  2. Step 2: Convert to fraction form
    144,719,903.20/217,016,869.20 = 47,638,098.40/x
  3. Step 3: Cross multiply
    144,719,903.20x = 217,016,869.20 × 47,638,098.40
  4. Step 4: Simplify right side
    144,719,903.20x = 10,338,270,969,409,528
  5. Step 5: Solve for x
    x = 10,338,270,969,409,528/144,719,903.20
  6. Step 6: Final answer
    x = 71,436,414.35

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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.