Home / 144,970,496.30-200,059,317.87-79,780,400.30

Finding the Fourth Proportional to 144,970,496.30, 200,059,317.87 and 79,780,400.30

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Solution

The fourth proportional to 144,970,496.30, 200,059,317.87 and 79,780,400.30 is: 110,096,970.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,970,496.30 : 200,059,317.87 = 79,780,400.30 : x
  2. Step 2: Convert to fraction form
    144,970,496.30/200,059,317.87 = 79,780,400.30/x
  3. Step 3: Cross multiply
    144,970,496.30x = 200,059,317.87 × 79,780,400.30
  4. Step 4: Simplify right side
    144,970,496.30x = 15,960,812,463,413,544
  5. Step 5: Solve for x
    x = 15,960,812,463,413,544/144,970,496.30
  6. Step 6: Final answer
    x = 110,096,970.56

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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.