Home / 65,732,283.40-90,682,037.40-39,611,958.16

Finding the Fourth Proportional to 65,732,283.40, 90,682,037.40 and 39,611,958.16

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Solution

The fourth proportional to 65,732,283.40, 90,682,037.40 and 39,611,958.16 is: 54,647,319.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,732,283.40 : 90,682,037.40 = 39,611,958.16 : x
  2. Step 2: Convert to fraction form
    65,732,283.40/90,682,037.40 = 39,611,958.16/x
  3. Step 3: Cross multiply
    65,732,283.40x = 90,682,037.40 × 39,611,958.16
  4. Step 4: Simplify right side
    65,732,283.40x = 3,592,093,071,352,355
  5. Step 5: Solve for x
    x = 3,592,093,071,352,355/65,732,283.40
  6. Step 6: Final answer
    x = 54,647,319.18

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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.