Home / 108,936,010.20-163,404,015.30-83,426,842.20

Finding the Fourth Proportional to 108,936,010.20, 163,404,015.30 and 83,426,842.20

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Solution

The fourth proportional to 108,936,010.20, 163,404,015.30 and 83,426,842.20 is: 125,140,263.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,936,010.20 : 163,404,015.30 = 83,426,842.20 : x
  2. Step 2: Convert to fraction form
    108,936,010.20/163,404,015.30 = 83,426,842.20/x
  3. Step 3: Cross multiply
    108,936,010.20x = 163,404,015.30 × 83,426,842.20
  4. Step 4: Simplify right side
    108,936,010.20x = 13,632,280,999,279,488
  5. Step 5: Solve for x
    x = 13,632,280,999,279,488/108,936,010.20
  6. Step 6: Final answer
    x = 125,140,263.30

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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.