Home / 78,325,414.92-108,091,989.68-46,968,569.10

Finding the Fourth Proportional to 78,325,414.92, 108,091,989.68 and 46,968,569.10

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Solution

The fourth proportional to 78,325,414.92, 108,091,989.68 and 46,968,569.10 is: 64,818,374.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,325,414.92 : 108,091,989.68 = 46,968,569.10 : x
  2. Step 2: Convert to fraction form
    78,325,414.92/108,091,989.68 = 46,968,569.10/x
  3. Step 3: Cross multiply
    78,325,414.92x = 108,091,989.68 × 46,968,569.10
  4. Step 4: Simplify right side
    78,325,414.92x = 5,076,926,086,206,724
  5. Step 5: Solve for x
    x = 5,076,926,086,206,724/78,325,414.92
  6. Step 6: Final answer
    x = 64,818,374.62

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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.