Home / 194,039,132.30-291,200,416.05-136,643,504.30

Finding the Fourth Proportional to 194,039,132.30, 291,200,416.05 and 136,643,504.30

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Solution

The fourth proportional to 194,039,132.30, 291,200,416.05 and 136,643,504.30 is: 205,065,054.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,039,132.30 : 291,200,416.05 = 136,643,504.30 : x
  2. Step 2: Convert to fraction form
    194,039,132.30/291,200,416.05 = 136,643,504.30/x
  3. Step 3: Cross multiply
    194,039,132.30x = 291,200,416.05 × 136,643,504.30
  4. Step 4: Simplify right side
    194,039,132.30x = 39,790,645,302,689,968
  5. Step 5: Solve for x
    x = 39,790,645,302,689,968/194,039,132.30
  6. Step 6: Final answer
    x = 205,065,054.82

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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.