Home / 96,793,973.70-145,190,960.55-86,212,392.90

Finding the Fourth Proportional to 96,793,973.70, 145,190,960.55 and 86,212,392.90

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Solution

The fourth proportional to 96,793,973.70, 145,190,960.55 and 86,212,392.90 is: 129,318,589.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,793,973.70 : 145,190,960.55 = 86,212,392.90 : x
  2. Step 2: Convert to fraction form
    96,793,973.70/145,190,960.55 = 86,212,392.90/x
  3. Step 3: Cross multiply
    96,793,973.70x = 145,190,960.55 × 86,212,392.90
  4. Step 4: Simplify right side
    96,793,973.70x = 12,517,260,136,465,002
  5. Step 5: Solve for x
    x = 12,517,260,136,465,002/96,793,973.70
  6. Step 6: Final answer
    x = 129,318,589.35

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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.