Home / 65,719,662.64-98,627,929.56-31,176,172.72

Finding the Fourth Proportional to 65,719,662.64, 98,627,929.56 and 31,176,172.72

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Solution

The fourth proportional to 65,719,662.64, 98,627,929.56 and 31,176,172.72 is: 46,787,236.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,719,662.64 : 98,627,929.56 = 31,176,172.72 : x
  2. Step 2: Convert to fraction form
    65,719,662.64/98,627,929.56 = 31,176,172.72/x
  3. Step 3: Cross multiply
    65,719,662.64x = 98,627,929.56 × 31,176,172.72
  4. Step 4: Simplify right side
    65,719,662.64x = 3,074,841,366,978,553.50
  5. Step 5: Solve for x
    x = 3,074,841,366,978,553.50/65,719,662.64
  6. Step 6: Final answer
    x = 46,787,236.02

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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.