Home / 92,405,345.03-138,561,309.69-54,078,374.15

Finding the Fourth Proportional to 92,405,345.03, 138,561,309.69 and 54,078,374.15

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Solution

The fourth proportional to 92,405,345.03, 138,561,309.69 and 54,078,374.15 is: 81,090,226.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,405,345.03 : 138,561,309.69 = 54,078,374.15 : x
  2. Step 2: Convert to fraction form
    92,405,345.03/138,561,309.69 = 54,078,374.15/x
  3. Step 3: Cross multiply
    92,405,345.03x = 138,561,309.69 × 54,078,374.15
  4. Step 4: Simplify right side
    92,405,345.03x = 7,493,170,347,437,034
  5. Step 5: Solve for x
    x = 7,493,170,347,437,034/92,405,345.03
  6. Step 6: Final answer
    x = 81,090,226.39

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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.