Home / 65,719,661.64-98,627,928.06-31,176,171.72

Finding the Fourth Proportional to 65,719,661.64, 98,627,928.06 and 31,176,171.72

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Solution

The fourth proportional to 65,719,661.64, 98,627,928.06 and 31,176,171.72 is: 46,787,234.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,719,661.64 : 98,627,928.06 = 31,176,171.72 : x
  2. Step 2: Convert to fraction form
    65,719,661.64/98,627,928.06 = 31,176,171.72/x
  3. Step 3: Cross multiply
    65,719,661.64x = 98,627,928.06 × 31,176,171.72
  4. Step 4: Simplify right side
    65,719,661.64x = 3,074,841,221,586,366.50
  5. Step 5: Solve for x
    x = 3,074,841,221,586,366.50/65,719,661.64
  6. Step 6: Final answer
    x = 46,787,234.52

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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.