Home / 151,785,612.38-227,769,095.54-139,436,473.28

Finding the Fourth Proportional to 151,785,612.38, 227,769,095.54 and 139,436,473.28

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Solution

The fourth proportional to 151,785,612.38, 227,769,095.54 and 139,436,473.28 is: 209,238,009.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,785,612.38 : 227,769,095.54 = 139,436,473.28 : x
  2. Step 2: Convert to fraction form
    151,785,612.38/227,769,095.54 = 139,436,473.28/x
  3. Step 3: Cross multiply
    151,785,612.38x = 227,769,095.54 × 139,436,473.28
  4. Step 4: Simplify right side
    151,785,612.38x = 31,759,319,403,482,724
  5. Step 5: Solve for x
    x = 31,759,319,403,482,724/151,785,612.38
  6. Step 6: Final answer
    x = 209,238,009.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.