Home / 71,648,376.60-98,874,786.30-40,708,586.52

Finding the Fourth Proportional to 71,648,376.60, 98,874,786.30 and 40,708,586.52

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Solution

The fourth proportional to 71,648,376.60, 98,874,786.30 and 40,708,586.52 is: 56,177,864.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,648,376.60 : 98,874,786.30 = 40,708,586.52 : x
  2. Step 2: Convert to fraction form
    71,648,376.60/98,874,786.30 = 40,708,586.52/x
  3. Step 3: Cross multiply
    71,648,376.60x = 98,874,786.30 × 40,708,586.52
  4. Step 4: Simplify right side
    71,648,376.60x = 4,025,052,792,740,061
  5. Step 5: Solve for x
    x = 4,025,052,792,740,061/71,648,376.60
  6. Step 6: Final answer
    x = 56,177,864.51

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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.