Home / 157,882,963.72-217,867,429.32-91,798,773.58

Finding the Fourth Proportional to 157,882,963.72, 217,867,429.32 and 91,798,773.58

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Solution

The fourth proportional to 157,882,963.72, 217,867,429.32 and 91,798,773.58 is: 126,675,876.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,882,963.72 : 217,867,429.32 = 91,798,773.58 : x
  2. Step 2: Convert to fraction form
    157,882,963.72/217,867,429.32 = 91,798,773.58/x
  3. Step 3: Cross multiply
    157,882,963.72x = 217,867,429.32 × 91,798,773.58
  4. Step 4: Simplify right side
    157,882,963.72x = 19,999,962,814,603,332
  5. Step 5: Solve for x
    x = 19,999,962,814,603,332/157,882,963.72
  6. Step 6: Final answer
    x = 126,675,876.51

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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.