Home / 155,521,123.80-233,169,711.30-87,384,701.40

Finding the Fourth Proportional to 155,521,123.80, 233,169,711.30 and 87,384,701.40

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Solution

The fourth proportional to 155,521,123.80, 233,169,711.30 and 87,384,701.40 is: 131,014,135.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,521,123.80 : 233,169,711.30 = 87,384,701.40 : x
  2. Step 2: Convert to fraction form
    155,521,123.80/233,169,711.30 = 87,384,701.40/x
  3. Step 3: Cross multiply
    155,521,123.80x = 233,169,711.30 × 87,384,701.40
  4. Step 4: Simplify right side
    155,521,123.80x = 20,375,465,597,474,708
  5. Step 5: Solve for x
    x = 20,375,465,597,474,708/155,521,123.80
  6. Step 6: Final answer
    x = 131,014,135.57

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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.