Home / 86,920,128,032.60-130,380,192,048.90-84,471,247,904.60

Finding the Fourth Proportional to 86,920,128,032.60, 130,380,192,048.90 and 84,471,247,904.60

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Solution

The fourth proportional to 86,920,128,032.60, 130,380,192,048.90 and 84,471,247,904.60 is: 126,706,871,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,128,032.60 : 130,380,192,048.90 = 84,471,247,904.60 : x
  2. Step 2: Convert to fraction form
    86,920,128,032.60/130,380,192,048.90 = 84,471,247,904.60/x
  3. Step 3: Cross multiply
    86,920,128,032.60x = 130,380,192,048.90 × 84,471,247,904.60
  4. Step 4: Simplify right side
    86,920,128,032.60x = 11,013,377,524,411,989,491,712
  5. Step 5: Solve for x
    x = 11,013,377,524,411,989,491,712/86,920,128,032.60
  6. Step 6: Final answer
    x = 126,706,871,856.90

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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.