Home / 88,314,286.64-121,852,867.59-74,238,986.70

Finding the Fourth Proportional to 88,314,286.64, 121,852,867.59 and 74,238,986.70

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Solution

The fourth proportional to 88,314,286.64, 121,852,867.59 and 74,238,986.70 is: 102,432,276.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,314,286.64 : 121,852,867.59 = 74,238,986.70 : x
  2. Step 2: Convert to fraction form
    88,314,286.64/121,852,867.59 = 74,238,986.70/x
  3. Step 3: Cross multiply
    88,314,286.64x = 121,852,867.59 × 74,238,986.70
  4. Step 4: Simplify right side
    88,314,286.64x = 9,046,233,416,370,872
  5. Step 5: Solve for x
    x = 9,046,233,416,370,872/88,314,286.64
  6. Step 6: Final answer
    x = 102,432,276.37

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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.