Home / 121,393,750.20-182,090,625.30-108,639,166.20

Finding the Fourth Proportional to 121,393,750.20, 182,090,625.30 and 108,639,166.20

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Solution

The fourth proportional to 121,393,750.20, 182,090,625.30 and 108,639,166.20 is: 162,958,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,393,750.20 : 182,090,625.30 = 108,639,166.20 : x
  2. Step 2: Convert to fraction form
    121,393,750.20/182,090,625.30 = 108,639,166.20/x
  3. Step 3: Cross multiply
    121,393,750.20x = 182,090,625.30 × 108,639,166.20
  4. Step 4: Simplify right side
    121,393,750.20x = 19,782,173,705,428,628
  5. Step 5: Solve for x
    x = 19,782,173,705,428,628/121,393,750.20
  6. Step 6: Final answer
    x = 162,958,749.30

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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.