Home / 143,147,718.39-197,546,463.23-79,574,027.25

Finding the Fourth Proportional to 143,147,718.39, 197,546,463.23 and 79,574,027.25

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Solution

The fourth proportional to 143,147,718.39, 197,546,463.23 and 79,574,027.25 is: 109,813,609.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,147,718.39 : 197,546,463.23 = 79,574,027.25 : x
  2. Step 2: Convert to fraction form
    143,147,718.39/197,546,463.23 = 79,574,027.25/x
  3. Step 3: Cross multiply
    143,147,718.39x = 197,546,463.23 × 79,574,027.25
  4. Step 4: Simplify right side
    143,147,718.39x = 15,719,567,648,205,142
  5. Step 5: Solve for x
    x = 15,719,567,648,205,142/143,147,718.39
  6. Step 6: Final answer
    x = 109,813,609.50

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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.