Home / 194,303,381.40-291,268,448.10-112,338,120.60

Finding the Fourth Proportional to 194,303,381.40, 291,268,448.10 and 112,338,120.60

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Solution

The fourth proportional to 194,303,381.40, 291,268,448.10 and 112,338,120.60 is: 168,399,282.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,303,381.40 : 291,268,448.10 = 112,338,120.60 : x
  2. Step 2: Convert to fraction form
    194,303,381.40/291,268,448.10 = 112,338,120.60/x
  3. Step 3: Cross multiply
    194,303,381.40x = 291,268,448.10 × 112,338,120.60
  4. Step 4: Simplify right side
    194,303,381.40x = 32,720,550,049,632,640
  5. Step 5: Solve for x
    x = 32,720,550,049,632,640/194,303,381.40
  6. Step 6: Final answer
    x = 168,399,282.68

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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.