Home / 91,018,215.08-125,605,148.10-49,765,136.04

Finding the Fourth Proportional to 91,018,215.08, 125,605,148.10 and 49,765,136.04

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Solution

The fourth proportional to 91,018,215.08, 125,605,148.10 and 49,765,136.04 is: 68,675,893.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,018,215.08 : 125,605,148.10 = 49,765,136.04 : x
  2. Step 2: Convert to fraction form
    91,018,215.08/125,605,148.10 = 49,765,136.04/x
  3. Step 3: Cross multiply
    91,018,215.08x = 125,605,148.10 × 49,765,136.04
  4. Step 4: Simplify right side
    91,018,215.08x = 6,250,757,282,520,847
  5. Step 5: Solve for x
    x = 6,250,757,282,520,847/91,018,215.08
  6. Step 6: Final answer
    x = 68,675,893.91

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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.