Home / 86,667,569.57-129,919,976.10-29,119,595.15

Finding the Fourth Proportional to 86,667,569.57, 129,919,976.10 and 29,119,595.15

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Solution

The fourth proportional to 86,667,569.57, 129,919,976.10 and 29,119,595.15 is: 43,652,050.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,667,569.57 : 129,919,976.10 = 29,119,595.15 : x
  2. Step 2: Convert to fraction form
    86,667,569.57/129,919,976.10 = 29,119,595.15/x
  3. Step 3: Cross multiply
    86,667,569.57x = 129,919,976.10 × 29,119,595.15
  4. Step 4: Simplify right side
    86,667,569.57x = 3,783,217,105,280,076
  5. Step 5: Solve for x
    x = 3,783,217,105,280,076/86,667,569.57
  6. Step 6: Final answer
    x = 43,652,050.29

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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.