Home / 234,235,781.65-323,245,382.16-129,820,579.02

Finding the Fourth Proportional to 234,235,781.65, 323,245,382.16 and 129,820,579.02

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Solution

The fourth proportional to 234,235,781.65, 323,245,382.16 and 129,820,579.02 is: 179,152,400.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,235,781.65 : 323,245,382.16 = 129,820,579.02 : x
  2. Step 2: Convert to fraction form
    234,235,781.65/323,245,382.16 = 129,820,579.02/x
  3. Step 3: Cross multiply
    234,235,781.65x = 323,245,382.16 × 129,820,579.02
  4. Step 4: Simplify right side
    234,235,781.65x = 41,963,902,677,552,384
  5. Step 5: Solve for x
    x = 41,963,902,677,552,384/234,235,781.65
  6. Step 6: Final answer
    x = 179,152,400.98

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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.