Home / 172,631,278.13-238,231,259.39-93,246,339.23

Finding the Fourth Proportional to 172,631,278.13, 238,231,259.39 and 93,246,339.23

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Solution

The fourth proportional to 172,631,278.13, 238,231,259.39 and 93,246,339.23 is: 128,679,999.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,631,278.13 : 238,231,259.39 = 93,246,339.23 : x
  2. Step 2: Convert to fraction form
    172,631,278.13/238,231,259.39 = 93,246,339.23/x
  3. Step 3: Cross multiply
    172,631,278.13x = 238,231,259.39 × 93,246,339.23
  4. Step 4: Simplify right side
    172,631,278.13x = 22,214,192,827,803,832
  5. Step 5: Solve for x
    x = 22,214,192,827,803,832/172,631,278.13
  6. Step 6: Final answer
    x = 128,679,999.76

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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.