Home / 133,307,315.40-199,960,973.10-68,737,233.90

Finding the Fourth Proportional to 133,307,315.40, 199,960,973.10 and 68,737,233.90

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Solution

The fourth proportional to 133,307,315.40, 199,960,973.10 and 68,737,233.90 is: 103,105,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,307,315.40 : 199,960,973.10 = 68,737,233.90 : x
  2. Step 2: Convert to fraction form
    133,307,315.40/199,960,973.10 = 68,737,233.90/x
  3. Step 3: Cross multiply
    133,307,315.40x = 199,960,973.10 × 68,737,233.90
  4. Step 4: Simplify right side
    133,307,315.40x = 13,744,764,178,846,308
  5. Step 5: Solve for x
    x = 13,744,764,178,846,308/133,307,315.40
  6. Step 6: Final answer
    x = 103,105,850.85

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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.