Home / 219,023,156.43-302,251,961.84-121,238,012.43

Finding the Fourth Proportional to 219,023,156.43, 302,251,961.84 and 121,238,012.43

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Solution

The fourth proportional to 219,023,156.43, 302,251,961.84 and 121,238,012.43 is: 167,308,460.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,023,156.43 : 302,251,961.84 = 121,238,012.43 : x
  2. Step 2: Convert to fraction form
    219,023,156.43/302,251,961.84 = 121,238,012.43/x
  3. Step 3: Cross multiply
    219,023,156.43x = 302,251,961.84 × 121,238,012.43
  4. Step 4: Simplify right side
    219,023,156.43x = 36,644,427,105,943,616
  5. Step 5: Solve for x
    x = 36,644,427,105,943,616/219,023,156.43
  6. Step 6: Final answer
    x = 167,308,460.45

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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.