Home / 163,086,307.63-225,059,141.27-89,747,449.63

Finding the Fourth Proportional to 163,086,307.63, 225,059,141.27 and 89,747,449.63

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Solution

The fourth proportional to 163,086,307.63, 225,059,141.27 and 89,747,449.63 is: 123,851,500.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,086,307.63 : 225,059,141.27 = 89,747,449.63 : x
  2. Step 2: Convert to fraction form
    163,086,307.63/225,059,141.27 = 89,747,449.63/x
  3. Step 3: Cross multiply
    163,086,307.63x = 225,059,141.27 × 89,747,449.63
  4. Step 4: Simplify right side
    163,086,307.63x = 20,198,483,944,689,912
  5. Step 5: Solve for x
    x = 20,198,483,944,689,912/163,086,307.63
  6. Step 6: Final answer
    x = 123,851,500.71

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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.