Home / 86,920,130,440.30-130,380,195,660.45-72,226,849,672.30

Finding the Fourth Proportional to 86,920,130,440.30, 130,380,195,660.45 and 72,226,849,672.30

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Solution

The fourth proportional to 86,920,130,440.30, 130,380,195,660.45 and 72,226,849,672.30 is: 108,340,274,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,130,440.30 : 130,380,195,660.45 = 72,226,849,672.30 : x
  2. Step 2: Convert to fraction form
    86,920,130,440.30/130,380,195,660.45 = 72,226,849,672.30/x
  3. Step 3: Cross multiply
    86,920,130,440.30x = 130,380,195,660.45 × 72,226,849,672.30
  4. Step 4: Simplify right side
    86,920,130,440.30x = 9,416,950,792,212,383,268,864
  5. Step 5: Solve for x
    x = 9,416,950,792,212,383,268,864/86,920,130,440.30
  6. Step 6: Final answer
    x = 108,340,274,508.45

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Double scale
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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.