Home / 543,017,869.20-814,526,803.80-134,074,019.70

Finding the Fourth Proportional to 543,017,869.20, 814,526,803.80 and 134,074,019.70

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Solution

The fourth proportional to 543,017,869.20, 814,526,803.80 and 134,074,019.70 is: 201,111,029.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,017,869.20 : 814,526,803.80 = 134,074,019.70 : x
  2. Step 2: Convert to fraction form
    543,017,869.20/814,526,803.80 = 134,074,019.70/x
  3. Step 3: Cross multiply
    543,017,869.20x = 814,526,803.80 × 134,074,019.70
  4. Step 4: Simplify right side
    543,017,869.20x = 109,206,882,738,859,232
  5. Step 5: Solve for x
    x = 109,206,882,738,859,232/543,017,869.20
  6. Step 6: Final answer
    x = 201,111,029.55

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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.