Home / 209,953,937.70-314,930,906.55-119,254,673.70

Finding the Fourth Proportional to 209,953,937.70, 314,930,906.55 and 119,254,673.70

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Solution

The fourth proportional to 209,953,937.70, 314,930,906.55 and 119,254,673.70 is: 178,882,010.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,937.70 : 314,930,906.55 = 119,254,673.70 : x
  2. Step 2: Convert to fraction form
    209,953,937.70/314,930,906.55 = 119,254,673.70/x
  3. Step 3: Cross multiply
    209,953,937.70x = 314,930,906.55 × 119,254,673.70
  4. Step 4: Simplify right side
    209,953,937.70x = 37,556,982,498,665,448
  5. Step 5: Solve for x
    x = 37,556,982,498,665,448/209,953,937.70
  6. Step 6: Final answer
    x = 178,882,010.55

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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.