Home / 99,156,618.85-136,839,456.98-55,105,474.36

Finding the Fourth Proportional to 99,156,618.85, 136,839,456.98 and 55,105,474.36

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Solution

The fourth proportional to 99,156,618.85, 136,839,456.98 and 55,105,474.36 is: 76,047,401.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,156,618.85 : 136,839,456.98 = 55,105,474.36 : x
  2. Step 2: Convert to fraction form
    99,156,618.85/136,839,456.98 = 55,105,474.36/x
  3. Step 3: Cross multiply
    99,156,618.85x = 136,839,456.98 × 55,105,474.36
  4. Step 4: Simplify right side
    99,156,618.85x = 7,540,603,188,047,712
  5. Step 5: Solve for x
    x = 7,540,603,188,047,712/99,156,618.85
  6. Step 6: Final answer
    x = 76,047,401.33

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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.