Home / 91,609,062-126,420,768-52,451,439.36

Finding the Fourth Proportional to 91,609,062, 126,420,768 and 52,451,439.36

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Solution

The fourth proportional to 91,609,062, 126,420,768 and 52,451,439.36 is: 72,383,136.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,609,062 : 126,420,768 = 52,451,439.36 : x
  2. Step 2: Convert to fraction form
    91,609,062/126,420,768 = 52,451,439.36/x
  3. Step 3: Cross multiply
    91,609,062x = 126,420,768 × 52,451,439.36
  4. Step 4: Simplify right side
    91,609,062x = 6,630,951,246,596,628
  5. Step 5: Solve for x
    x = 6,630,951,246,596,628/91,609,062
  6. Step 6: Final answer
    x = 72,383,136.58

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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.