Home / 217,231,224.18-299,789,859.89-134,751,580.98

Finding the Fourth Proportional to 217,231,224.18, 299,789,859.89 and 134,751,580.98

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Solution

The fourth proportional to 217,231,224.18, 299,789,859.89 and 134,751,580.98 is: 185,963,862.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,231,224.18 : 299,789,859.89 = 134,751,580.98 : x
  2. Step 2: Convert to fraction form
    217,231,224.18/299,789,859.89 = 134,751,580.98/x
  3. Step 3: Cross multiply
    217,231,224.18x = 299,789,859.89 × 134,751,580.98
  4. Step 4: Simplify right side
    217,231,224.18x = 40,397,157,581,950,184
  5. Step 5: Solve for x
    x = 40,397,157,581,950,184/217,231,224.18
  6. Step 6: Final answer
    x = 185,963,862.86

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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.