Home / 308,018,541.38-425,086,442.08-174,009,979.28

Finding the Fourth Proportional to 308,018,541.38, 425,086,442.08 and 174,009,979.28

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Solution

The fourth proportional to 308,018,541.38, 425,086,442.08 and 174,009,979.28 is: 240,145,553.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,018,541.38 : 425,086,442.08 = 174,009,979.28 : x
  2. Step 2: Convert to fraction form
    308,018,541.38/425,086,442.08 = 174,009,979.28/x
  3. Step 3: Cross multiply
    308,018,541.38x = 425,086,442.08 × 174,009,979.28
  4. Step 4: Simplify right side
    308,018,541.38x = 73,969,282,976,424,288
  5. Step 5: Solve for x
    x = 73,969,282,976,424,288/308,018,541.38
  6. Step 6: Final answer
    x = 240,145,553.07

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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.