Home / 91,074,330.30-125,682,199.83-49,258,441.98

Finding the Fourth Proportional to 91,074,330.30, 125,682,199.83 and 49,258,441.98

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Solution

The fourth proportional to 91,074,330.30, 125,682,199.83 and 49,258,441.98 is: 67,976,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,074,330.30 : 125,682,199.83 = 49,258,441.98 : x
  2. Step 2: Convert to fraction form
    91,074,330.30/125,682,199.83 = 49,258,441.98/x
  3. Step 3: Cross multiply
    91,074,330.30x = 125,682,199.83 × 49,258,441.98
  4. Step 4: Simplify right side
    91,074,330.30x = 6,190,909,348,244,820
  5. Step 5: Solve for x
    x = 6,190,909,348,244,820/91,074,330.30
  6. Step 6: Final answer
    x = 67,976,446.58

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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.