Home / 85,833,727.25-118,453,658.45-49,171,384.13

Finding the Fourth Proportional to 85,833,727.25, 118,453,658.45 and 49,171,384.13

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Solution

The fourth proportional to 85,833,727.25, 118,453,658.45 and 49,171,384.13 is: 67,858,294.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,833,727.25 : 118,453,658.45 = 49,171,384.13 : x
  2. Step 2: Convert to fraction form
    85,833,727.25/118,453,658.45 = 49,171,384.13/x
  3. Step 3: Cross multiply
    85,833,727.25x = 118,453,658.45 × 49,171,384.13
  4. Step 4: Simplify right side
    85,833,727.25x = 5,824,530,340,410,645
  5. Step 5: Solve for x
    x = 5,824,530,340,410,645/85,833,727.25
  6. Step 6: Final answer
    x = 67,858,294.49

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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.