Home / 170,055,819.20-255,083,728.80-72,995,009.60

Finding the Fourth Proportional to 170,055,819.20, 255,083,728.80 and 72,995,009.60

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Solution

The fourth proportional to 170,055,819.20, 255,083,728.80 and 72,995,009.60 is: 109,492,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,055,819.20 : 255,083,728.80 = 72,995,009.60 : x
  2. Step 2: Convert to fraction form
    170,055,819.20/255,083,728.80 = 72,995,009.60/x
  3. Step 3: Cross multiply
    170,055,819.20x = 255,083,728.80 × 72,995,009.60
  4. Step 4: Simplify right side
    170,055,819.20x = 18,619,839,232,559,796
  5. Step 5: Solve for x
    x = 18,619,839,232,559,796/170,055,819.20
  6. Step 6: Final answer
    x = 109,492,514.40

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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.