Home / 345,151,521.28-517,799,993.80-111,964,025.51

Finding the Fourth Proportional to 345,151,521.28, 517,799,993.80 and 111,964,025.51

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Solution

The fourth proportional to 345,151,521.28, 517,799,993.80 and 111,964,025.51 is: 167,969,625.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,151,521.28 : 517,799,993.80 = 111,964,025.51 : x
  2. Step 2: Convert to fraction form
    345,151,521.28/517,799,993.80 = 111,964,025.51/x
  3. Step 3: Cross multiply
    345,151,521.28x = 517,799,993.80 × 111,964,025.51
  4. Step 4: Simplify right side
    345,151,521.28x = 57,974,971,714,901,048
  5. Step 5: Solve for x
    x = 57,974,971,714,901,048/345,151,521.28
  6. Step 6: Final answer
    x = 167,969,625.34

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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.