Home / 84,041,521.88-115,977,305.05-45,410,353.88

Finding the Fourth Proportional to 84,041,521.88, 115,977,305.05 and 45,410,353.88

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Solution

The fourth proportional to 84,041,521.88, 115,977,305.05 and 45,410,353.88 is: 62,666,290.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,041,521.88 : 115,977,305.05 = 45,410,353.88 : x
  2. Step 2: Convert to fraction form
    84,041,521.88/115,977,305.05 = 45,410,353.88/x
  3. Step 3: Cross multiply
    84,041,521.88x = 115,977,305.05 × 45,410,353.88
  4. Step 4: Simplify right side
    84,041,521.88x = 5,266,570,463,675,799
  5. Step 5: Solve for x
    x = 5,266,570,463,675,799/84,041,521.88
  6. Step 6: Final answer
    x = 62,666,290.97

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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.