Home / 151,973,190.28-209,723,181.97-82,358,571.16

Finding the Fourth Proportional to 151,973,190.28, 209,723,181.97 and 82,358,571.16

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Solution

The fourth proportional to 151,973,190.28, 209,723,181.97 and 82,358,571.16 is: 113,654,925.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,973,190.28 : 209,723,181.97 = 82,358,571.16 : x
  2. Step 2: Convert to fraction form
    151,973,190.28/209,723,181.97 = 82,358,571.16/x
  3. Step 3: Cross multiply
    151,973,190.28x = 209,723,181.97 × 82,358,571.16
  4. Step 4: Simplify right side
    151,973,190.28x = 17,272,501,606,145,534
  5. Step 5: Solve for x
    x = 17,272,501,606,145,534/151,973,190.28
  6. Step 6: Final answer
    x = 113,654,925.42

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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.