Home / 209,645,930.06-289,324,327.30-115,559,864.82

Finding the Fourth Proportional to 209,645,930.06, 289,324,327.30 and 115,559,864.82

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Solution

The fourth proportional to 209,645,930.06, 289,324,327.30 and 115,559,864.82 is: 159,479,748.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,645,930.06 : 289,324,327.30 = 115,559,864.82 : x
  2. Step 2: Convert to fraction form
    209,645,930.06/289,324,327.30 = 115,559,864.82/x
  3. Step 3: Cross multiply
    209,645,930.06x = 289,324,327.30 × 115,559,864.82
  4. Step 4: Simplify right side
    209,645,930.06x = 33,434,280,151,925,436
  5. Step 5: Solve for x
    x = 33,434,280,151,925,436/209,645,930.06
  6. Step 6: Final answer
    x = 159,479,748.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.