Home / 78,701,753.37-108,608,564.57-43,896,687.20

Finding the Fourth Proportional to 78,701,753.37, 108,608,564.57 and 43,896,687.20

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Solution

The fourth proportional to 78,701,753.37, 108,608,564.57 and 43,896,687.20 is: 60,577,509.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,701,753.37 : 108,608,564.57 = 43,896,687.20 : x
  2. Step 2: Convert to fraction form
    78,701,753.37/108,608,564.57 = 43,896,687.20/x
  3. Step 3: Cross multiply
    78,701,753.37x = 108,608,564.57 × 43,896,687.20
  4. Step 4: Simplify right side
    78,701,753.37x = 4,767,556,185,407,766
  5. Step 5: Solve for x
    x = 4,767,556,185,407,766/78,701,753.37
  6. Step 6: Final answer
    x = 60,577,509.16

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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.