Home / 258,701,972.58-388,114,125.21-83,824,717.73

Finding the Fourth Proportional to 258,701,972.58, 388,114,125.21 and 83,824,717.73

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Solution

The fourth proportional to 258,701,972.58, 388,114,125.21 and 83,824,717.73 is: 125,756,895.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,701,972.58 : 388,114,125.21 = 83,824,717.73 : x
  2. Step 2: Convert to fraction form
    258,701,972.58/388,114,125.21 = 83,824,717.73/x
  3. Step 3: Cross multiply
    258,701,972.58x = 388,114,125.21 × 83,824,717.73
  4. Step 4: Simplify right side
    258,701,972.58x = 32,533,556,990,813,552
  5. Step 5: Solve for x
    x = 32,533,556,990,813,552/258,701,972.58
  6. Step 6: Final answer
    x = 125,756,895.73

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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.