Home / 89,718,522-123,834,595.04-58,434,525.82

Finding the Fourth Proportional to 89,718,522, 123,834,595.04 and 58,434,525.82

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Solution

The fourth proportional to 89,718,522, 123,834,595.04 and 58,434,525.82 is: 80,654,648.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,718,522 : 123,834,595.04 = 58,434,525.82 : x
  2. Step 2: Convert to fraction form
    89,718,522/123,834,595.04 = 58,434,525.82/x
  3. Step 3: Cross multiply
    89,718,522x = 123,834,595.04 × 58,434,525.82
  4. Step 4: Simplify right side
    89,718,522x = 7,236,215,841,274,124
  5. Step 5: Solve for x
    x = 7,236,215,841,274,124/89,718,522
  6. Step 6: Final answer
    x = 80,654,648.34

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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.