Home / 140,703,865.67-194,171,353.04-77,984,012.93

Finding the Fourth Proportional to 140,703,865.67, 194,171,353.04 and 77,984,012.93

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Solution

The fourth proportional to 140,703,865.67, 194,171,353.04 and 77,984,012.93 is: 107,617,948.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,703,865.67 : 194,171,353.04 = 77,984,012.93 : x
  2. Step 2: Convert to fraction form
    140,703,865.67/194,171,353.04 = 77,984,012.93/x
  3. Step 3: Cross multiply
    140,703,865.67x = 194,171,353.04 × 77,984,012.93
  4. Step 4: Simplify right side
    140,703,865.67x = 15,142,261,305,331,056
  5. Step 5: Solve for x
    x = 15,142,261,305,331,056/140,703,865.67
  6. Step 6: Final answer
    x = 107,617,948.04

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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.