Home / 78,040,623.15-107,702,673.44-43,244,228.43

Finding the Fourth Proportional to 78,040,623.15, 107,702,673.44 and 43,244,228.43

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Solution

The fourth proportional to 78,040,623.15, 107,702,673.44 and 43,244,228.43 is: 59,680,699.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,040,623.15 : 107,702,673.44 = 43,244,228.43 : x
  2. Step 2: Convert to fraction form
    78,040,623.15/107,702,673.44 = 43,244,228.43/x
  3. Step 3: Cross multiply
    78,040,623.15x = 107,702,673.44 × 43,244,228.43
  4. Step 4: Simplify right side
    78,040,623.15x = 4,657,519,012,544,833
  5. Step 5: Solve for x
    x = 4,657,519,012,544,833/78,040,623.15
  6. Step 6: Final answer
    x = 59,680,699.93

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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.