Home / 115,034,145.60-172,551,218.40-54,567,969.60

Finding the Fourth Proportional to 115,034,145.60, 172,551,218.40 and 54,567,969.60

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Solution

The fourth proportional to 115,034,145.60, 172,551,218.40 and 54,567,969.60 is: 81,851,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,034,145.60 : 172,551,218.40 = 54,567,969.60 : x
  2. Step 2: Convert to fraction form
    115,034,145.60/172,551,218.40 = 54,567,969.60/x
  3. Step 3: Cross multiply
    115,034,145.60x = 172,551,218.40 × 54,567,969.60
  4. Step 4: Simplify right side
    115,034,145.60x = 9,415,769,640,094,162
  5. Step 5: Solve for x
    x = 9,415,769,640,094,162/115,034,145.60
  6. Step 6: Final answer
    x = 81,851,954.40

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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.