Home / 66,187,351.80-99,281,027.70-17,665,111.80

Finding the Fourth Proportional to 66,187,351.80, 99,281,027.70 and 17,665,111.80

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Solution

The fourth proportional to 66,187,351.80, 99,281,027.70 and 17,665,111.80 is: 26,497,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,187,351.80 : 99,281,027.70 = 17,665,111.80 : x
  2. Step 2: Convert to fraction form
    66,187,351.80/99,281,027.70 = 17,665,111.80/x
  3. Step 3: Cross multiply
    66,187,351.80x = 99,281,027.70 × 17,665,111.80
  4. Step 4: Simplify right side
    66,187,351.80x = 1,753,810,453,939,397
  5. Step 5: Solve for x
    x = 1,753,810,453,939,397/66,187,351.80
  6. Step 6: Final answer
    x = 26,497,667.70

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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.