Home / 143,147,713.64-197,546,456.68-79,574,022.50

Finding the Fourth Proportional to 143,147,713.64, 197,546,456.68 and 79,574,022.50

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Solution

The fourth proportional to 143,147,713.64, 197,546,456.68 and 79,574,022.50 is: 109,813,602.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,147,713.64 : 197,546,456.68 = 79,574,022.50 : x
  2. Step 2: Convert to fraction form
    143,147,713.64/197,546,456.68 = 79,574,022.50/x
  3. Step 3: Cross multiply
    143,147,713.64x = 197,546,456.68 × 79,574,022.50
  4. Step 4: Simplify right side
    143,147,713.64x = 15,719,566,187,462,930
  5. Step 5: Solve for x
    x = 15,719,566,187,462,930/143,147,713.64
  6. Step 6: Final answer
    x = 109,813,602.94

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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.