Home / 194,119,886.40-291,345,166.80-79,186,912.80

Finding the Fourth Proportional to 194,119,886.40, 291,345,166.80 and 79,186,912.80

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Solution

The fourth proportional to 194,119,886.40, 291,345,166.80 and 79,186,912.80 is: 118,847,814.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,119,886.40 : 291,345,166.80 = 79,186,912.80 : x
  2. Step 2: Convert to fraction form
    194,119,886.40/291,345,166.80 = 79,186,912.80/x
  3. Step 3: Cross multiply
    194,119,886.40x = 291,345,166.80 × 79,186,912.80
  4. Step 4: Simplify right side
    194,119,886.40x = 23,070,724,318,093,056
  5. Step 5: Solve for x
    x = 23,070,724,318,093,056/194,119,886.40
  6. Step 6: Final answer
    x = 118,847,814.85

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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.