Home / 165,118,512.30-247,677,768.45-88,591,008.30

Finding the Fourth Proportional to 165,118,512.30, 247,677,768.45 and 88,591,008.30

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Solution

The fourth proportional to 165,118,512.30, 247,677,768.45 and 88,591,008.30 is: 132,886,512.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,118,512.30 : 247,677,768.45 = 88,591,008.30 : x
  2. Step 2: Convert to fraction form
    165,118,512.30/247,677,768.45 = 88,591,008.30/x
  3. Step 3: Cross multiply
    165,118,512.30x = 247,677,768.45 × 88,591,008.30
  4. Step 4: Simplify right side
    165,118,512.30x = 21,942,023,240,479,428
  5. Step 5: Solve for x
    x = 21,942,023,240,479,428/165,118,512.30
  6. Step 6: Final answer
    x = 132,886,512.45

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1.5x scale

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.