Home / 155,521,217.80-233,169,852.30-87,384,795.40

Finding the Fourth Proportional to 155,521,217.80, 233,169,852.30 and 87,384,795.40

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Solution

The fourth proportional to 155,521,217.80, 233,169,852.30 and 87,384,795.40 is: 131,014,276.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,521,217.80 : 233,169,852.30 = 87,384,795.40 : x
  2. Step 2: Convert to fraction form
    155,521,217.80/233,169,852.30 = 87,384,795.40/x
  3. Step 3: Cross multiply
    155,521,217.80x = 233,169,852.30 × 87,384,795.40
  4. Step 4: Simplify right side
    155,521,217.80x = 20,375,499,836,683,720
  5. Step 5: Solve for x
    x = 20,375,499,836,683,720/155,521,217.80
  6. Step 6: Final answer
    x = 131,014,276.54

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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.