Home / 141,339,930.40-212,023,892.40-49,209,493.60

Finding the Fourth Proportional to 141,339,930.40, 212,023,892.40 and 49,209,493.60

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Solution

The fourth proportional to 141,339,930.40, 212,023,892.40 and 49,209,493.60 is: 73,819,113.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,339,930.40 : 212,023,892.40 = 49,209,493.60 : x
  2. Step 2: Convert to fraction form
    141,339,930.40/212,023,892.40 = 49,209,493.60/x
  3. Step 3: Cross multiply
    141,339,930.40x = 212,023,892.40 × 49,209,493.60
  4. Step 4: Simplify right side
    141,339,930.40x = 10,433,588,376,104,890
  5. Step 5: Solve for x
    x = 10,433,588,376,104,890/141,339,930.40
  6. Step 6: Final answer
    x = 73,819,113.58

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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.