Home / 71,869,675.40-107,804,513.10-26,422,065.80

Finding the Fourth Proportional to 71,869,675.40, 107,804,513.10 and 26,422,065.80

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Solution

The fourth proportional to 71,869,675.40, 107,804,513.10 and 26,422,065.80 is: 39,633,098.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,869,675.40 : 107,804,513.10 = 26,422,065.80 : x
  2. Step 2: Convert to fraction form
    71,869,675.40/107,804,513.10 = 26,422,065.80/x
  3. Step 3: Cross multiply
    71,869,675.40x = 107,804,513.10 × 26,422,065.80
  4. Step 4: Simplify right side
    71,869,675.40x = 2,848,417,938,665,162
  5. Step 5: Solve for x
    x = 2,848,417,938,665,162/71,869,675.40
  6. Step 6: Final answer
    x = 39,633,098.70

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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.