Home / 82,867,480.20-124,301,220.30-70,112,896.20

Finding the Fourth Proportional to 82,867,480.20, 124,301,220.30 and 70,112,896.20

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Solution

The fourth proportional to 82,867,480.20, 124,301,220.30 and 70,112,896.20 is: 105,169,344.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,867,480.20 : 124,301,220.30 = 70,112,896.20 : x
  2. Step 2: Convert to fraction form
    82,867,480.20/124,301,220.30 = 70,112,896.20/x
  3. Step 3: Cross multiply
    82,867,480.20x = 124,301,220.30 × 70,112,896.20
  4. Step 4: Simplify right side
    82,867,480.20x = 8,715,118,556,427,233
  5. Step 5: Solve for x
    x = 8,715,118,556,427,233/82,867,480.20
  6. Step 6: Final answer
    x = 105,169,344.30

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Double scale
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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.