Home / 135,769,270.34-187,381,336.11-76,237,249.52

Finding the Fourth Proportional to 135,769,270.34, 187,381,336.11 and 76,237,249.52

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Solution

The fourth proportional to 135,769,270.34, 187,381,336.11 and 76,237,249.52 is: 105,218,490.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,769,270.34 : 187,381,336.11 = 76,237,249.52 : x
  2. Step 2: Convert to fraction form
    135,769,270.34/187,381,336.11 = 76,237,249.52/x
  3. Step 3: Cross multiply
    135,769,270.34x = 187,381,336.11 × 76,237,249.52
  4. Step 4: Simplify right side
    135,769,270.34x = 14,285,437,676,409,056
  5. Step 5: Solve for x
    x = 14,285,437,676,409,056/135,769,270.34
  6. Step 6: Final answer
    x = 105,218,490.46

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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.