Home / 225,365,629.91-338,071,277.15-77,793,955.79

Finding the Fourth Proportional to 225,365,629.91, 338,071,277.15 and 77,793,955.79

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Solution

The fourth proportional to 225,365,629.91, 338,071,277.15 and 77,793,955.79 is: 116,698,815.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,365,629.91 : 338,071,277.15 = 77,793,955.79 : x
  2. Step 2: Convert to fraction form
    225,365,629.91/338,071,277.15 = 77,793,955.79/x
  3. Step 3: Cross multiply
    225,365,629.91x = 338,071,277.15 × 77,793,955.79
  4. Step 4: Simplify right side
    225,365,629.91x = 26,299,901,989,223,876
  5. Step 5: Solve for x
    x = 26,299,901,989,223,876/225,365,629.91
  6. Step 6: Final answer
    x = 116,698,815.16

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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.