Home / 97,960,010.20-146,940,015.30-86,016,074.20

Finding the Fourth Proportional to 97,960,010.20, 146,940,015.30 and 86,016,074.20

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Solution

The fourth proportional to 97,960,010.20, 146,940,015.30 and 86,016,074.20 is: 129,024,111.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,960,010.20 : 146,940,015.30 = 86,016,074.20 : x
  2. Step 2: Convert to fraction form
    97,960,010.20/146,940,015.30 = 86,016,074.20/x
  3. Step 3: Cross multiply
    97,960,010.20x = 146,940,015.30 × 86,016,074.20
  4. Step 4: Simplify right side
    97,960,010.20x = 12,639,203,258,993,936
  5. Step 5: Solve for x
    x = 12,639,203,258,993,936/97,960,010.20
  6. Step 6: Final answer
    x = 129,024,111.30

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Similar ratio
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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.