Home / 45,049,817.28-67,574,724.72-20,781,564

Finding the Fourth Proportional to 45,049,817.28, 67,574,724.72 and 20,781,564

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Solution

The fourth proportional to 45,049,817.28, 67,574,724.72 and 20,781,564 is: 31,172,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,049,817.28 : 67,574,724.72 = 20,781,564 : x
  2. Step 2: Convert to fraction form
    45,049,817.28/67,574,724.72 = 20,781,564/x
  3. Step 3: Cross multiply
    45,049,817.28x = 67,574,724.72 × 20,781,564
  4. Step 4: Simplify right side
    45,049,817.28x = 1,404,308,466,551,062
  5. Step 5: Solve for x
    x = 1,404,308,466,551,062/45,049,817.28
  6. Step 6: Final answer
    x = 31,172,345.45

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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.