Home / 217,254,344.70-299,774,649-127,964,067.12

Finding the Fourth Proportional to 217,254,344.70, 299,774,649 and 127,964,067.12

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Solution

The fourth proportional to 217,254,344.70, 299,774,649 and 127,964,067.12 is: 176,569,004.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,254,344.70 : 299,774,649 = 127,964,067.12 : x
  2. Step 2: Convert to fraction form
    217,254,344.70/299,774,649 = 127,964,067.12/x
  3. Step 3: Cross multiply
    217,254,344.70x = 299,774,649 × 127,964,067.12
  4. Step 4: Simplify right side
    217,254,344.70x = 38,360,383,305,510,440
  5. Step 5: Solve for x
    x = 38,360,383,305,510,440/217,254,344.70
  6. Step 6: Final answer
    x = 176,569,004.22

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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.