Home / 234,235,781.91-323,245,382.51-129,820,579.27

Finding the Fourth Proportional to 234,235,781.91, 323,245,382.51 and 129,820,579.27

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Solution

The fourth proportional to 234,235,781.91, 323,245,382.51 and 129,820,579.27 is: 179,152,401.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,235,781.91 : 323,245,382.51 = 129,820,579.27 : x
  2. Step 2: Convert to fraction form
    234,235,781.91/323,245,382.51 = 129,820,579.27/x
  3. Step 3: Cross multiply
    234,235,781.91x = 323,245,382.51 × 129,820,579.27
  4. Step 4: Simplify right side
    234,235,781.91x = 41,963,902,803,317,360
  5. Step 5: Solve for x
    x = 41,963,902,803,317,360/234,235,781.91
  6. Step 6: Final answer
    x = 179,152,401.32

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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.