Home / 54,109,653.36-74,669,321.12-29,329,308.15

Finding the Fourth Proportional to 54,109,653.36, 74,669,321.12 and 29,329,308.15

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Solution

The fourth proportional to 54,109,653.36, 74,669,321.12 and 29,329,308.15 is: 40,473,360.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,109,653.36 : 74,669,321.12 = 29,329,308.15 : x
  2. Step 2: Convert to fraction form
    54,109,653.36/74,669,321.12 = 29,329,308.15/x
  3. Step 3: Cross multiply
    54,109,653.36x = 74,669,321.12 × 29,329,308.15
  4. Step 4: Simplify right side
    54,109,653.36x = 2,189,999,528,479,783.25
  5. Step 5: Solve for x
    x = 2,189,999,528,479,783.25/54,109,653.36
  6. Step 6: Final answer
    x = 40,473,360.90

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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.