Home / 43,685,276.70-65,527,915.05-40,992,642.30

Finding the Fourth Proportional to 43,685,276.70, 65,527,915.05 and 40,992,642.30

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Solution

The fourth proportional to 43,685,276.70, 65,527,915.05 and 40,992,642.30 is: 61,488,963.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,685,276.70 : 65,527,915.05 = 40,992,642.30 : x
  2. Step 2: Convert to fraction form
    43,685,276.70/65,527,915.05 = 40,992,642.30/x
  3. Step 3: Cross multiply
    43,685,276.70x = 65,527,915.05 × 40,992,642.30
  4. Step 4: Simplify right side
    43,685,276.70x = 2,686,162,382,309,436.50
  5. Step 5: Solve for x
    x = 2,686,162,382,309,436.50/43,685,276.70
  6. Step 6: Final answer
    x = 61,488,963.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.