Home / 345,151,520.28-517,799,992.30-111,964,024.51

Finding the Fourth Proportional to 345,151,520.28, 517,799,992.30 and 111,964,024.51

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Solution

The fourth proportional to 345,151,520.28, 517,799,992.30 and 111,964,024.51 is: 167,969,623.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,151,520.28 : 517,799,992.30 = 111,964,024.51 : x
  2. Step 2: Convert to fraction form
    345,151,520.28/517,799,992.30 = 111,964,024.51/x
  3. Step 3: Cross multiply
    345,151,520.28x = 517,799,992.30 × 111,964,024.51
  4. Step 4: Simplify right side
    345,151,520.28x = 57,974,971,027,580,600
  5. Step 5: Solve for x
    x = 57,974,971,027,580,600/345,151,520.28
  6. Step 6: Final answer
    x = 167,969,623.84

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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.