Home / 217,231,223.18-299,789,858.51-134,751,579.98

Finding the Fourth Proportional to 217,231,223.18, 299,789,858.51 and 134,751,579.98

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Solution

The fourth proportional to 217,231,223.18, 299,789,858.51 and 134,751,579.98 is: 185,963,861.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,231,223.18 : 299,789,858.51 = 134,751,579.98 : x
  2. Step 2: Convert to fraction form
    217,231,223.18/299,789,858.51 = 134,751,579.98/x
  3. Step 3: Cross multiply
    217,231,223.18x = 299,789,858.51 × 134,751,579.98
  4. Step 4: Simplify right side
    217,231,223.18x = 40,397,157,094,030,440
  5. Step 5: Solve for x
    x = 40,397,157,094,030,440/217,231,223.18
  6. Step 6: Final answer
    x = 185,963,861.47

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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.