Home / 168,507,492.10-252,761,238.15-103,600,831.30

Finding the Fourth Proportional to 168,507,492.10, 252,761,238.15 and 103,600,831.30

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Solution

The fourth proportional to 168,507,492.10, 252,761,238.15 and 103,600,831.30 is: 155,401,246.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,507,492.10 : 252,761,238.15 = 103,600,831.30 : x
  2. Step 2: Convert to fraction form
    168,507,492.10/252,761,238.15 = 103,600,831.30/x
  3. Step 3: Cross multiply
    168,507,492.10x = 252,761,238.15 × 103,600,831.30
  4. Step 4: Simplify right side
    168,507,492.10x = 26,186,274,392,757,272
  5. Step 5: Solve for x
    x = 26,186,274,392,757,272/168,507,492.10
  6. Step 6: Final answer
    x = 155,401,246.95

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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.