Home / 78,886,820.26-108,861,723.51-44,079,796.78

Finding the Fourth Proportional to 78,886,820.26, 108,861,723.51 and 44,079,796.78

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Solution

The fourth proportional to 78,886,820.26, 108,861,723.51 and 44,079,796.78 is: 60,828,952.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,886,820.26 : 108,861,723.51 = 44,079,796.78 : x
  2. Step 2: Convert to fraction form
    78,886,820.26/108,861,723.51 = 44,079,796.78/x
  3. Step 3: Cross multiply
    78,886,820.26x = 108,861,723.51 × 44,079,796.78
  4. Step 4: Simplify right side
    78,886,820.26x = 4,798,602,649,441,349
  5. Step 5: Solve for x
    x = 4,798,602,649,441,349/78,886,820.26
  6. Step 6: Final answer
    x = 60,828,952.59

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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.