Home / 217,253,990.71-299,812,066.32-118,134,027.64

Finding the Fourth Proportional to 217,253,990.71, 299,812,066.32 and 118,134,027.64

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Solution

The fourth proportional to 217,253,990.71, 299,812,066.32 and 118,134,027.64 is: 163,025,805.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,253,990.71 : 299,812,066.32 = 118,134,027.64 : x
  2. Step 2: Convert to fraction form
    217,253,990.71/299,812,066.32 = 118,134,027.64/x
  3. Step 3: Cross multiply
    217,253,990.71x = 299,812,066.32 × 118,134,027.64
  4. Step 4: Simplify right side
    217,253,990.71x = 35,418,006,929,452,392
  5. Step 5: Solve for x
    x = 35,418,006,929,452,392/217,253,990.71
  6. Step 6: Final answer
    x = 163,025,805.94

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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.