Home / 133,450,882.78-200,206,508.38-72,038,723.36

Finding the Fourth Proportional to 133,450,882.78, 200,206,508.38 and 72,038,723.36

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Solution

The fourth proportional to 133,450,882.78, 200,206,508.38 and 72,038,723.36 is: 108,074,378.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,450,882.78 : 200,206,508.38 = 72,038,723.36 : x
  2. Step 2: Convert to fraction form
    133,450,882.78/200,206,508.38 = 72,038,723.36/x
  3. Step 3: Cross multiply
    133,450,882.78x = 200,206,508.38 × 72,038,723.36
  4. Step 4: Simplify right side
    133,450,882.78x = 14,422,621,272,058,342
  5. Step 5: Solve for x
    x = 14,422,621,272,058,342/133,450,882.78
  6. Step 6: Final answer
    x = 108,074,378.91

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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.