Home / 170,055,828.20-255,083,742.30-72,995,018.60

Finding the Fourth Proportional to 170,055,828.20, 255,083,742.30 and 72,995,018.60

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Solution

The fourth proportional to 170,055,828.20, 255,083,742.30 and 72,995,018.60 is: 109,492,527.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,055,828.20 : 255,083,742.30 = 72,995,018.60 : x
  2. Step 2: Convert to fraction form
    170,055,828.20/255,083,742.30 = 72,995,018.60/x
  3. Step 3: Cross multiply
    170,055,828.20x = 255,083,742.30 × 72,995,018.60
  4. Step 4: Simplify right side
    170,055,828.20x = 18,619,842,513,746,108
  5. Step 5: Solve for x
    x = 18,619,842,513,746,108/170,055,828.20
  6. Step 6: Final answer
    x = 109,492,527.90

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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.