Home / 201,916,919.53-278,665,021.34-119,437,276.33

Finding the Fourth Proportional to 201,916,919.53, 278,665,021.34 and 119,437,276.33

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Solution

The fourth proportional to 201,916,919.53, 278,665,021.34 and 119,437,276.33 is: 164,835,077.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,916,919.53 : 278,665,021.34 = 119,437,276.33 : x
  2. Step 2: Convert to fraction form
    201,916,919.53/278,665,021.34 = 119,437,276.33/x
  3. Step 3: Cross multiply
    201,916,919.53x = 278,665,021.34 × 119,437,276.33
  4. Step 4: Simplify right side
    201,916,919.53x = 33,282,991,157,290,924
  5. Step 5: Solve for x
    x = 33,282,991,157,290,924/201,916,919.53
  6. Step 6: Final answer
    x = 164,835,077.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.