Home / 86,804,560.85-119,889,713.12-57,167,692.79

Finding the Fourth Proportional to 86,804,560.85, 119,889,713.12 and 57,167,692.79

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Solution

The fourth proportional to 86,804,560.85, 119,889,713.12 and 57,167,692.79 is: 78,956,891.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,804,560.85 : 119,889,713.12 = 57,167,692.79 : x
  2. Step 2: Convert to fraction form
    86,804,560.85/119,889,713.12 = 57,167,692.79/x
  3. Step 3: Cross multiply
    86,804,560.85x = 119,889,713.12 × 57,167,692.79
  4. Step 4: Simplify right side
    86,804,560.85x = 6,853,818,287,440,105
  5. Step 5: Solve for x
    x = 6,853,818,287,440,105/86,804,560.85
  6. Step 6: Final answer
    x = 78,956,891.44

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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.