Home / 150,203,142.88-207,277,593.70-83,221,856.72

Finding the Fourth Proportional to 150,203,142.88, 207,277,593.70 and 83,221,856.72

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Solution

The fourth proportional to 150,203,142.88, 207,277,593.70 and 83,221,856.72 is: 114,844,642.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,203,142.88 : 207,277,593.70 = 83,221,856.72 : x
  2. Step 2: Convert to fraction form
    150,203,142.88/207,277,593.70 = 83,221,856.72/x
  3. Step 3: Cross multiply
    150,203,142.88x = 207,277,593.70 × 83,221,856.72
  4. Step 4: Simplify right side
    150,203,142.88x = 17,250,026,204,167,774
  5. Step 5: Solve for x
    x = 17,250,026,204,167,774/150,203,142.88
  6. Step 6: Final answer
    x = 114,844,642.22

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1.5x scale

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.