Home / 65,725,751.18-90,679,506.69-37,847,860.49

Finding the Fourth Proportional to 65,725,751.18, 90,679,506.69 and 37,847,860.49

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Solution

The fourth proportional to 65,725,751.18, 90,679,506.69 and 37,847,860.49 is: 52,217,361.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,725,751.18 : 90,679,506.69 = 37,847,860.49 : x
  2. Step 2: Convert to fraction form
    65,725,751.18/90,679,506.69 = 37,847,860.49/x
  3. Step 3: Cross multiply
    65,725,751.18x = 90,679,506.69 × 37,847,860.49
  4. Step 4: Simplify right side
    65,725,751.18x = 3,432,025,318,051,744
  5. Step 5: Solve for x
    x = 3,432,025,318,051,744/65,725,751.18
  6. Step 6: Final answer
    x = 52,217,361.64

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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.