Home / 54,144,007.20-81,216,010.80-46,081,850.40

Finding the Fourth Proportional to 54,144,007.20, 81,216,010.80 and 46,081,850.40

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Solution

The fourth proportional to 54,144,007.20, 81,216,010.80 and 46,081,850.40 is: 69,122,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,144,007.20 : 81,216,010.80 = 46,081,850.40 : x
  2. Step 2: Convert to fraction form
    54,144,007.20/81,216,010.80 = 46,081,850.40/x
  3. Step 3: Cross multiply
    54,144,007.20x = 81,216,010.80 × 46,081,850.40
  4. Step 4: Simplify right side
    54,144,007.20x = 3,742,584,059,770,384
  5. Step 5: Solve for x
    x = 3,742,584,059,770,384/54,144,007.20
  6. Step 6: Final answer
    x = 69,122,775.60

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Similar ratio
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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.