Home / 54,281,808.20-81,422,712.30-28,772,640.20

Finding the Fourth Proportional to 54,281,808.20, 81,422,712.30 and 28,772,640.20

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Solution

The fourth proportional to 54,281,808.20, 81,422,712.30 and 28,772,640.20 is: 43,158,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,281,808.20 : 81,422,712.30 = 28,772,640.20 : x
  2. Step 2: Convert to fraction form
    54,281,808.20/81,422,712.30 = 28,772,640.20/x
  3. Step 3: Cross multiply
    54,281,808.20x = 81,422,712.30 × 28,772,640.20
  4. Step 4: Simplify right side
    54,281,808.20x = 2,342,746,405,116,014.50
  5. Step 5: Solve for x
    x = 2,342,746,405,116,014.50/54,281,808.20
  6. Step 6: Final answer
    x = 43,158,960.30

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1.5x scale

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.