Home / 54,281,762.20-81,422,643.30-28,772,594.20

Finding the Fourth Proportional to 54,281,762.20, 81,422,643.30 and 28,772,594.20

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Solution

The fourth proportional to 54,281,762.20, 81,422,643.30 and 28,772,594.20 is: 43,158,891.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,281,762.20 : 81,422,643.30 = 28,772,594.20 : x
  2. Step 2: Convert to fraction form
    54,281,762.20/81,422,643.30 = 28,772,594.20/x
  3. Step 3: Cross multiply
    54,281,762.20x = 81,422,643.30 × 28,772,594.20
  4. Step 4: Simplify right side
    54,281,762.20x = 2,342,740,674,362,248.50
  5. Step 5: Solve for x
    x = 2,342,740,674,362,248.50/54,281,762.20
  6. Step 6: Final answer
    x = 43,158,891.30

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Double scale
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Similar ratio
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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.