Home / 217,944,144.55-300,762,833.12-118,824,972.92

Finding the Fourth Proportional to 217,944,144.55, 300,762,833.12 and 118,824,972.92

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Solution

The fourth proportional to 217,944,144.55, 300,762,833.12 and 118,824,972.92 is: 163,978,415.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,944,144.55 : 300,762,833.12 = 118,824,972.92 : x
  2. Step 2: Convert to fraction form
    217,944,144.55/300,762,833.12 = 118,824,972.92/x
  3. Step 3: Cross multiply
    217,944,144.55x = 300,762,833.12 × 118,824,972.92
  4. Step 4: Simplify right side
    217,944,144.55x = 35,738,135,502,327,368
  5. Step 5: Solve for x
    x = 35,738,135,502,327,368/217,944,144.55
  6. Step 6: Final answer
    x = 163,978,415.55

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1.5x scale

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.