Home / 219,023,157.43-302,251,963.22-121,238,013.43

Finding the Fourth Proportional to 219,023,157.43, 302,251,963.22 and 121,238,013.43

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Solution

The fourth proportional to 219,023,157.43, 302,251,963.22 and 121,238,013.43 is: 167,308,461.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,023,157.43 : 302,251,963.22 = 121,238,013.43 : x
  2. Step 2: Convert to fraction form
    219,023,157.43/302,251,963.22 = 121,238,013.43/x
  3. Step 3: Cross multiply
    219,023,157.43x = 302,251,963.22 × 121,238,013.43
  4. Step 4: Simplify right side
    219,023,157.43x = 36,644,427,576,110,232
  5. Step 5: Solve for x
    x = 36,644,427,576,110,232/219,023,157.43
  6. Step 6: Final answer
    x = 167,308,461.84

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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.