Home / 141,339,969.40-212,023,950.90-49,209,532.60

Finding the Fourth Proportional to 141,339,969.40, 212,023,950.90 and 49,209,532.60

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Solution

The fourth proportional to 141,339,969.40, 212,023,950.90 and 49,209,532.60 is: 73,819,172.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,339,969.40 : 212,023,950.90 = 49,209,532.60 : x
  2. Step 2: Convert to fraction form
    141,339,969.40/212,023,950.90 = 49,209,532.60/x
  3. Step 3: Cross multiply
    141,339,969.40x = 212,023,950.90 × 49,209,532.60
  4. Step 4: Simplify right side
    141,339,969.40x = 10,433,599,523,794,350
  5. Step 5: Solve for x
    x = 10,433,599,523,794,350/141,339,969.40
  6. Step 6: Final answer
    x = 73,819,172.09

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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.