Home / 69,921,958.12-96,461,691.16-66,680,168

Finding the Fourth Proportional to 69,921,958.12, 96,461,691.16 and 66,680,168

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Solution

The fourth proportional to 69,921,958.12, 96,461,691.16 and 66,680,168 is: 91,989,440.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,921,958.12 : 96,461,691.16 = 66,680,168 : x
  2. Step 2: Convert to fraction form
    69,921,958.12/96,461,691.16 = 66,680,168/x
  3. Step 3: Cross multiply
    69,921,958.12x = 96,461,691.16 × 66,680,168
  4. Step 4: Simplify right side
    69,921,958.12x = 6,432,081,772,112,915
  5. Step 5: Solve for x
    x = 6,432,081,772,112,915/69,921,958.12
  6. Step 6: Final answer
    x = 91,989,440.01

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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.