Home / 116,813,680.89-161,184,971.16-67,244,472.96

Finding the Fourth Proportional to 116,813,680.89, 161,184,971.16 and 67,244,472.96

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Solution

The fourth proportional to 116,813,680.89, 161,184,971.16 and 67,244,472.96 is: 92,787,063.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,813,680.89 : 161,184,971.16 = 67,244,472.96 : x
  2. Step 2: Convert to fraction form
    116,813,680.89/161,184,971.16 = 67,244,472.96/x
  3. Step 3: Cross multiply
    116,813,680.89x = 161,184,971.16 × 67,244,472.96
  4. Step 4: Simplify right side
    116,813,680.89x = 10,838,798,434,726,998
  5. Step 5: Solve for x
    x = 10,838,798,434,726,998/116,813,680.89
  6. Step 6: Final answer
    x = 92,787,063.57

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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.