Home / 193,543,412.70-289,916,987.85-133,027,470.30

Finding the Fourth Proportional to 193,543,412.70, 289,916,987.85 and 133,027,470.30

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Solution

The fourth proportional to 193,543,412.70, 289,916,987.85 and 133,027,470.30 is: 199,267,559.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,543,412.70 : 289,916,987.85 = 133,027,470.30 : x
  2. Step 2: Convert to fraction form
    193,543,412.70/289,916,987.85 = 133,027,470.30/x
  3. Step 3: Cross multiply
    193,543,412.70x = 289,916,987.85 × 133,027,470.30
  4. Step 4: Simplify right side
    193,543,412.70x = 38,566,923,490,681,336
  5. Step 5: Solve for x
    x = 38,566,923,490,681,336/193,543,412.70
  6. Step 6: Final answer
    x = 199,267,559.42

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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.