Home / 112,320,010.20-168,480,015.30-63,779,107.80

Finding the Fourth Proportional to 112,320,010.20, 168,480,015.30 and 63,779,107.80

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Solution

The fourth proportional to 112,320,010.20, 168,480,015.30 and 63,779,107.80 is: 95,668,661.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,320,010.20 : 168,480,015.30 = 63,779,107.80 : x
  2. Step 2: Convert to fraction form
    112,320,010.20/168,480,015.30 = 63,779,107.80/x
  3. Step 3: Cross multiply
    112,320,010.20x = 168,480,015.30 × 63,779,107.80
  4. Step 4: Simplify right side
    112,320,010.20x = 10,745,505,057,964,350
  5. Step 5: Solve for x
    x = 10,745,505,057,964,350/112,320,010.20
  6. Step 6: Final answer
    x = 95,668,661.70

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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.