Home / 77,866,141.44-107,455,971.84-43,061,189.76

Finding the Fourth Proportional to 77,866,141.44, 107,455,971.84 and 43,061,189.76

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Solution

The fourth proportional to 77,866,141.44, 107,455,971.84 and 43,061,189.76 is: 59,424,827.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,866,141.44 : 107,455,971.84 = 43,061,189.76 : x
  2. Step 2: Convert to fraction form
    77,866,141.44/107,455,971.84 = 43,061,189.76/x
  3. Step 3: Cross multiply
    77,866,141.44x = 107,455,971.84 × 43,061,189.76
  4. Step 4: Simplify right side
    77,866,141.44x = 4,627,181,994,247,456
  5. Step 5: Solve for x
    x = 4,627,181,994,247,456/77,866,141.44
  6. Step 6: Final answer
    x = 59,424,827.13

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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.