Home / 145,244,620.14-200,435,812.23-79,164,914.10

Finding the Fourth Proportional to 145,244,620.14, 200,435,812.23 and 79,164,914.10

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Solution

The fourth proportional to 145,244,620.14, 200,435,812.23 and 79,164,914.10 is: 109,246,620.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,244,620.14 : 200,435,812.23 = 79,164,914.10 : x
  2. Step 2: Convert to fraction form
    145,244,620.14/200,435,812.23 = 79,164,914.10/x
  3. Step 3: Cross multiply
    145,244,620.14x = 200,435,812.23 × 79,164,914.10
  4. Step 4: Simplify right side
    145,244,620.14x = 15,867,483,857,751,678
  5. Step 5: Solve for x
    x = 15,867,483,857,751,678/145,244,620.14
  6. Step 6: Final answer
    x = 109,246,620.24

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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.