Home / 170,419,458.40-255,629,187.60-55,407,752.80

Finding the Fourth Proportional to 170,419,458.40, 255,629,187.60 and 55,407,752.80

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Solution

The fourth proportional to 170,419,458.40, 255,629,187.60 and 55,407,752.80 is: 83,111,629.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,419,458.40 : 255,629,187.60 = 55,407,752.80 : x
  2. Step 2: Convert to fraction form
    170,419,458.40/255,629,187.60 = 55,407,752.80/x
  3. Step 3: Cross multiply
    170,419,458.40x = 255,629,187.60 × 55,407,752.80
  4. Step 4: Simplify right side
    170,419,458.40x = 14,163,838,835,005,624
  5. Step 5: Solve for x
    x = 14,163,838,835,005,624/170,419,458.40
  6. Step 6: Final answer
    x = 83,111,629.20

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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.