Home / 141,424,877.52-212,141,878.20-39,189,900.24

Finding the Fourth Proportional to 141,424,877.52, 212,141,878.20 and 39,189,900.24

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Solution

The fourth proportional to 141,424,877.52, 212,141,878.20 and 39,189,900.24 is: 58,786,114.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,424,877.52 : 212,141,878.20 = 39,189,900.24 : x
  2. Step 2: Convert to fraction form
    141,424,877.52/212,141,878.20 = 39,189,900.24/x
  3. Step 3: Cross multiply
    141,424,877.52x = 212,141,878.20 × 39,189,900.24
  4. Step 4: Simplify right side
    141,424,877.52x = 8,313,819,043,384,231
  5. Step 5: Solve for x
    x = 8,313,819,043,384,231/141,424,877.52
  6. Step 6: Final answer
    x = 58,786,114.50

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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.