Home / 75,085,419.10-112,628,128.65-26,617,999.90

Finding the Fourth Proportional to 75,085,419.10, 112,628,128.65 and 26,617,999.90

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Solution

The fourth proportional to 75,085,419.10, 112,628,128.65 and 26,617,999.90 is: 39,926,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,085,419.10 : 112,628,128.65 = 26,617,999.90 : x
  2. Step 2: Convert to fraction form
    75,085,419.10/112,628,128.65 = 26,617,999.90/x
  3. Step 3: Cross multiply
    75,085,419.10x = 112,628,128.65 × 26,617,999.90
  4. Step 4: Simplify right side
    75,085,419.10x = 2,997,935,517,142,887
  5. Step 5: Solve for x
    x = 2,997,935,517,142,887/75,085,419.10
  6. Step 6: Final answer
    x = 39,926,999.85

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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.