Home / 154,204,802.30-231,307,990.50-51,969,725.66

Finding the Fourth Proportional to 154,204,802.30, 231,307,990.50 and 51,969,725.66

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Solution

The fourth proportional to 154,204,802.30, 231,307,990.50 and 51,969,725.66 is: 77,954,853.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,204,802.30 : 231,307,990.50 = 51,969,725.66 : x
  2. Step 2: Convert to fraction form
    154,204,802.30/231,307,990.50 = 51,969,725.66/x
  3. Step 3: Cross multiply
    154,204,802.30x = 231,307,990.50 × 51,969,725.66
  4. Step 4: Simplify right side
    154,204,802.30x = 12,021,012,809,250,886
  5. Step 5: Solve for x
    x = 12,021,012,809,250,886/154,204,802.30
  6. Step 6: Final answer
    x = 77,954,853.74

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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.