Home / 54,109,999-74,672,760.90-29,330,997.40

Finding the Fourth Proportional to 54,109,999, 74,672,760.90 and 29,330,997.40

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Solution

The fourth proportional to 54,109,999, 74,672,760.90 and 29,330,997.40 is: 40,477,298.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,109,999 : 74,672,760.90 = 29,330,997.40 : x
  2. Step 2: Convert to fraction form
    54,109,999/74,672,760.90 = 29,330,997.40/x
  3. Step 3: Cross multiply
    54,109,999x = 74,672,760.90 × 29,330,997.40
  4. Step 4: Simplify right side
    54,109,999x = 2,190,226,555,808,721.75
  5. Step 5: Solve for x
    x = 2,190,226,555,808,721.75/54,109,999
  6. Step 6: Final answer
    x = 40,477,298.03

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1.5x scale

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.