Home / 68,256,015.60-102,384,023.40-42,746,847.60

Finding the Fourth Proportional to 68,256,015.60, 102,384,023.40 and 42,746,847.60

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Solution

The fourth proportional to 68,256,015.60, 102,384,023.40 and 42,746,847.60 is: 64,120,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,256,015.60 : 102,384,023.40 = 42,746,847.60 : x
  2. Step 2: Convert to fraction form
    68,256,015.60/102,384,023.40 = 42,746,847.60/x
  3. Step 3: Cross multiply
    68,256,015.60x = 102,384,023.40 × 42,746,847.60
  4. Step 4: Simplify right side
    68,256,015.60x = 4,376,594,244,954,634
  5. Step 5: Solve for x
    x = 4,376,594,244,954,634/68,256,015.60
  6. Step 6: Final answer
    x = 64,120,271.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.