Home / 78,325,418.92-108,091,995.20-46,968,573.10

Finding the Fourth Proportional to 78,325,418.92, 108,091,995.20 and 46,968,573.10

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Solution

The fourth proportional to 78,325,418.92, 108,091,995.20 and 46,968,573.10 is: 64,818,380.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,325,418.92 : 108,091,995.20 = 46,968,573.10 : x
  2. Step 2: Convert to fraction form
    78,325,418.92/108,091,995.20 = 46,968,573.10/x
  3. Step 3: Cross multiply
    78,325,418.92x = 108,091,995.20 × 46,968,573.10
  4. Step 4: Simplify right side
    78,325,418.92x = 5,076,926,778,076,049
  5. Step 5: Solve for x
    x = 5,076,926,778,076,049/78,325,418.92
  6. Step 6: Final answer
    x = 64,818,380.14

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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.