Home / 209,953,802.70-314,930,704.05-200,387,864.70

Finding the Fourth Proportional to 209,953,802.70, 314,930,704.05 and 200,387,864.70

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Solution

The fourth proportional to 209,953,802.70, 314,930,704.05 and 200,387,864.70 is: 300,581,797.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,802.70 : 314,930,704.05 = 200,387,864.70 : x
  2. Step 2: Convert to fraction form
    209,953,802.70/314,930,704.05 = 200,387,864.70/x
  3. Step 3: Cross multiply
    209,953,802.70x = 314,930,704.05 × 200,387,864.70
  4. Step 4: Simplify right side
    209,953,802.70x = 63,108,291,313,047,144
  5. Step 5: Solve for x
    x = 63,108,291,313,047,144/209,953,802.70
  6. Step 6: Final answer
    x = 300,581,797.05

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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.