Home / 42,571,683.20-63,865,819.20-17,008,342.40

Finding the Fourth Proportional to 42,571,683.20, 63,865,819.20 and 17,008,342.40

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Solution

The fourth proportional to 42,571,683.20, 63,865,819.20 and 17,008,342.40 is: 25,515,827.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,571,683.20 : 63,865,819.20 = 17,008,342.40 : x
  2. Step 2: Convert to fraction form
    42,571,683.20/63,865,819.20 = 17,008,342.40/x
  3. Step 3: Cross multiply
    42,571,683.20x = 63,865,819.20 × 17,008,342.40
  4. Step 4: Simplify right side
    42,571,683.20x = 1,086,251,720,610,094
  5. Step 5: Solve for x
    x = 1,086,251,720,610,094/42,571,683.20
  6. Step 6: Final answer
    x = 25,515,827.40

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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.