Home / 64,127,638-88,505,595.30-40,608,321.40

Finding the Fourth Proportional to 64,127,638, 88,505,595.30 and 40,608,321.40

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Solution

The fourth proportional to 64,127,638, 88,505,595.30 and 40,608,321.40 is: 56,045,470.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,127,638 : 88,505,595.30 = 40,608,321.40 : x
  2. Step 2: Convert to fraction form
    64,127,638/88,505,595.30 = 40,608,321.40/x
  3. Step 3: Cross multiply
    64,127,638x = 88,505,595.30 × 40,608,321.40
  4. Step 4: Simplify right side
    64,127,638x = 3,594,063,659,640,729
  5. Step 5: Solve for x
    x = 3,594,063,659,640,729/64,127,638
  6. Step 6: Final answer
    x = 56,045,470.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.