Home / 107,896,034.64-148,908,066.71-66,107,832.36

Finding the Fourth Proportional to 107,896,034.64, 148,908,066.71 and 66,107,832.36

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Solution

The fourth proportional to 107,896,034.64, 148,908,066.71 and 66,107,832.36 is: 91,235,878.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,896,034.64 : 148,908,066.71 = 66,107,832.36 : x
  2. Step 2: Convert to fraction form
    107,896,034.64/148,908,066.71 = 66,107,832.36/x
  3. Step 3: Cross multiply
    107,896,034.64x = 148,908,066.71 × 66,107,832.36
  4. Step 4: Simplify right side
    107,896,034.64x = 9,843,989,511,116,378
  5. Step 5: Solve for x
    x = 9,843,989,511,116,378/107,896,034.64
  6. Step 6: Final answer
    x = 91,235,878.54

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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.