Home / 66,132,857.09-99,143,795.67-29,238,790.47

Finding the Fourth Proportional to 66,132,857.09, 99,143,795.67 and 29,238,790.47

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Solution

The fourth proportional to 66,132,857.09, 99,143,795.67 and 29,238,790.47 is: 43,833,652.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,132,857.09 : 99,143,795.67 = 29,238,790.47 : x
  2. Step 2: Convert to fraction form
    66,132,857.09/99,143,795.67 = 29,238,790.47/x
  3. Step 3: Cross multiply
    66,132,857.09x = 99,143,795.67 × 29,238,790.47
  4. Step 4: Simplify right side
    66,132,857.09x = 2,898,844,667,514,188.50
  5. Step 5: Solve for x
    x = 2,898,844,667,514,188.50/66,132,857.09
  6. Step 6: Final answer
    x = 43,833,652.36

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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.