Home / 86,920,128,400.60-130,380,192,600.90-84,471,248,272.60

Finding the Fourth Proportional to 86,920,128,400.60, 130,380,192,600.90 and 84,471,248,272.60

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Solution

The fourth proportional to 86,920,128,400.60, 130,380,192,600.90 and 84,471,248,272.60 is: 126,706,872,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,128,400.60 : 130,380,192,600.90 = 84,471,248,272.60 : x
  2. Step 2: Convert to fraction form
    86,920,128,400.60/130,380,192,600.90 = 84,471,248,272.60/x
  3. Step 3: Cross multiply
    86,920,128,400.60x = 130,380,192,600.90 × 84,471,248,272.60
  4. Step 4: Simplify right side
    86,920,128,400.60x = 11,013,377,619,020,029,624,320
  5. Step 5: Solve for x
    x = 11,013,377,619,020,029,624,320/86,920,128,400.60
  6. Step 6: Final answer
    x = 126,706,872,408.90

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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.