Home / 107,896,035.14-148,908,067.40-66,107,832.86

Finding the Fourth Proportional to 107,896,035.14, 148,908,067.40 and 66,107,832.86

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Solution

The fourth proportional to 107,896,035.14, 148,908,067.40 and 66,107,832.86 is: 91,235,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,896,035.14 : 148,908,067.40 = 66,107,832.86 : x
  2. Step 2: Convert to fraction form
    107,896,035.14/148,908,067.40 = 66,107,832.86/x
  3. Step 3: Cross multiply
    107,896,035.14x = 148,908,067.40 × 66,107,832.86
  4. Step 4: Simplify right side
    107,896,035.14x = 9,843,989,631,184,816
  5. Step 5: Solve for x
    x = 9,843,989,631,184,816/107,896,035.14
  6. Step 6: Final answer
    x = 91,235,879.23

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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.