Home / 86,920,128,023.35-130,380,192,035.09-86,920,128,023.35

Finding the Fourth Proportional to 86,920,128,023.35, 130,380,192,035.09 and 86,920,128,023.35

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Solution

The fourth proportional to 86,920,128,023.35, 130,380,192,035.09 and 86,920,128,023.35 is: 130,380,192,035.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,128,023.35 : 130,380,192,035.09 = 86,920,128,023.35 : x
  2. Step 2: Convert to fraction form
    86,920,128,023.35/130,380,192,035.09 = 86,920,128,023.35/x
  3. Step 3: Cross multiply
    86,920,128,023.35x = 130,380,192,035.09 × 86,920,128,023.35
  4. Step 4: Simplify right side
    86,920,128,023.35x = 11,332,662,983,398,982,156,288
  5. Step 5: Solve for x
    x = 11,332,662,983,398,982,156,288/86,920,128,023.35
  6. Step 6: Final answer
    x = 130,380,192,035.09

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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.