Home / 86,933,933.82-130,185,667.17-63,850,129.79

Finding the Fourth Proportional to 86,933,933.82, 130,185,667.17 and 63,850,129.79

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Solution

The fourth proportional to 86,933,933.82, 130,185,667.17 and 63,850,129.79 is: 95,617,112.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,933,933.82 : 130,185,667.17 = 63,850,129.79 : x
  2. Step 2: Convert to fraction form
    86,933,933.82/130,185,667.17 = 63,850,129.79/x
  3. Step 3: Cross multiply
    86,933,933.82x = 130,185,667.17 × 63,850,129.79
  4. Step 4: Simplify right side
    86,933,933.82x = 8,312,371,744,951,313
  5. Step 5: Solve for x
    x = 8,312,371,744,951,313/86,933,933.82
  6. Step 6: Final answer
    x = 95,617,112.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.