Home / 194,188,051.80-291,282,077.70-121,628,640.60

Finding the Fourth Proportional to 194,188,051.80, 291,282,077.70 and 121,628,640.60

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Solution

The fourth proportional to 194,188,051.80, 291,282,077.70 and 121,628,640.60 is: 182,442,960.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,188,051.80 : 291,282,077.70 = 121,628,640.60 : x
  2. Step 2: Convert to fraction form
    194,188,051.80/291,282,077.70 = 121,628,640.60/x
  3. Step 3: Cross multiply
    194,188,051.80x = 291,282,077.70 × 121,628,640.60
  4. Step 4: Simplify right side
    194,188,051.80x = 35,428,243,141,794,572
  5. Step 5: Solve for x
    x = 35,428,243,141,794,572/194,188,051.80
  6. Step 6: Final answer
    x = 182,442,960.90

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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.