Home / 166,115,363.60-249,170,712.60-75,238,806.80

Finding the Fourth Proportional to 166,115,363.60, 249,170,712.60 and 75,238,806.80

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Solution

The fourth proportional to 166,115,363.60, 249,170,712.60 and 75,238,806.80 is: 112,857,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,115,363.60 : 249,170,712.60 = 75,238,806.80 : x
  2. Step 2: Convert to fraction form
    166,115,363.60/249,170,712.60 = 75,238,806.80/x
  3. Step 3: Cross multiply
    166,115,363.60x = 249,170,712.60 × 75,238,806.80
  4. Step 4: Simplify right side
    166,115,363.60x = 18,747,307,105,529,724
  5. Step 5: Solve for x
    x = 18,747,307,105,529,724/166,115,363.60
  6. Step 6: Final answer
    x = 112,857,153.60

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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.