Home / 65,740,810.44-90,727,336.26-37,872,131.88

Finding the Fourth Proportional to 65,740,810.44, 90,727,336.26 and 37,872,131.88

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Solution

The fourth proportional to 65,740,810.44, 90,727,336.26 and 37,872,131.88 is: 52,266,432.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,740,810.44 : 90,727,336.26 = 37,872,131.88 : x
  2. Step 2: Convert to fraction form
    65,740,810.44/90,727,336.26 = 37,872,131.88/x
  3. Step 3: Cross multiply
    65,740,810.44x = 90,727,336.26 × 37,872,131.88
  4. Step 4: Simplify right side
    65,740,810.44x = 3,436,037,643,959,826.50
  5. Step 5: Solve for x
    x = 3,436,037,643,959,826.50/65,740,810.44
  6. Step 6: Final answer
    x = 52,266,432.69

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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.