Home / 130,351,934.40-195,677,200.80-76,529,572.80

Finding the Fourth Proportional to 130,351,934.40, 195,677,200.80 and 76,529,572.80

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Solution

The fourth proportional to 130,351,934.40, 195,677,200.80 and 76,529,572.80 is: 114,882,012.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,351,934.40 : 195,677,200.80 = 76,529,572.80 : x
  2. Step 2: Convert to fraction form
    130,351,934.40/195,677,200.80 = 76,529,572.80/x
  3. Step 3: Cross multiply
    130,351,934.40x = 195,677,200.80 × 76,529,572.80
  4. Step 4: Simplify right side
    130,351,934.40x = 14,975,092,583,923,818
  5. Step 5: Solve for x
    x = 14,975,092,583,923,818/130,351,934.40
  6. Step 6: Final answer
    x = 114,882,012.71

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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.