Home / 61,248,357.56-91,885,988.72-18,114,198.08

Finding the Fourth Proportional to 61,248,357.56, 91,885,988.72 and 18,114,198.08

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Solution

The fourth proportional to 61,248,357.56, 91,885,988.72 and 18,114,198.08 is: 27,175,275.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,248,357.56 : 91,885,988.72 = 18,114,198.08 : x
  2. Step 2: Convert to fraction form
    61,248,357.56/91,885,988.72 = 18,114,198.08/x
  3. Step 3: Cross multiply
    61,248,357.56x = 91,885,988.72 × 18,114,198.08
  4. Step 4: Simplify right side
    61,248,357.56x = 1,664,441,000,450,725.50
  5. Step 5: Solve for x
    x = 1,664,441,000,450,725.50/61,248,357.56
  6. Step 6: Final answer
    x = 27,175,275.66

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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.