Home / 136,844,076.72-188,843,322.47-74,118,614.16

Finding the Fourth Proportional to 136,844,076.72, 188,843,322.47 and 74,118,614.16

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Solution

The fourth proportional to 136,844,076.72, 188,843,322.47 and 74,118,614.16 is: 102,282,873.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,844,076.72 : 188,843,322.47 = 74,118,614.16 : x
  2. Step 2: Convert to fraction form
    136,844,076.72/188,843,322.47 = 74,118,614.16/x
  3. Step 3: Cross multiply
    136,844,076.72x = 188,843,322.47 × 74,118,614.16
  4. Step 4: Simplify right side
    136,844,076.72x = 13,996,805,354,475,794
  5. Step 5: Solve for x
    x = 13,996,805,354,475,794/136,844,076.72
  6. Step 6: Final answer
    x = 102,282,873.25

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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.