Home / 272,565,028.70-408,847,543.05-163,725,911.90

Finding the Fourth Proportional to 272,565,028.70, 408,847,543.05 and 163,725,911.90

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Solution

The fourth proportional to 272,565,028.70, 408,847,543.05 and 163,725,911.90 is: 245,588,867.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,565,028.70 : 408,847,543.05 = 163,725,911.90 : x
  2. Step 2: Convert to fraction form
    272,565,028.70/408,847,543.05 = 163,725,911.90/x
  3. Step 3: Cross multiply
    272,565,028.70x = 408,847,543.05 × 163,725,911.90
  4. Step 4: Simplify right side
    272,565,028.70x = 66,938,936,813,935,760
  5. Step 5: Solve for x
    x = 66,938,936,813,935,760/272,565,028.70
  6. Step 6: Final answer
    x = 245,588,867.85

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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.