Home / 54,184,934.31-74,775,405.12-29,405,115.78

Finding the Fourth Proportional to 54,184,934.31, 74,775,405.12 and 29,405,115.78

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Solution

The fourth proportional to 54,184,934.31, 74,775,405.12 and 29,405,115.78 is: 40,579,166.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,184,934.31 : 74,775,405.12 = 29,405,115.78 : x
  2. Step 2: Convert to fraction form
    54,184,934.31/74,775,405.12 = 29,405,115.78/x
  3. Step 3: Cross multiply
    54,184,934.31x = 74,775,405.12 × 29,405,115.78
  4. Step 4: Simplify right side
    54,184,934.31x = 2,198,779,444,529,102
  5. Step 5: Solve for x
    x = 2,198,779,444,529,102/54,184,934.31
  6. Step 6: Final answer
    x = 40,579,166.01

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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.