Home / 194,184,006.20-291,276,009.30-79,105,815.80

Finding the Fourth Proportional to 194,184,006.20, 291,276,009.30 and 79,105,815.80

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Solution

The fourth proportional to 194,184,006.20, 291,276,009.30 and 79,105,815.80 is: 118,658,723.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,184,006.20 : 291,276,009.30 = 79,105,815.80 : x
  2. Step 2: Convert to fraction form
    194,184,006.20/291,276,009.30 = 79,105,815.80/x
  3. Step 3: Cross multiply
    194,184,006.20x = 291,276,009.30 × 79,105,815.80
  4. Step 4: Simplify right side
    194,184,006.20x = 23,041,626,338,644,888
  5. Step 5: Solve for x
    x = 23,041,626,338,644,888/194,184,006.20
  6. Step 6: Final answer
    x = 118,658,723.70

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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.