Home / 136,844,077.10-188,843,322.98-74,118,614.54

Finding the Fourth Proportional to 136,844,077.10, 188,843,322.98 and 74,118,614.54

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Solution

The fourth proportional to 136,844,077.10, 188,843,322.98 and 74,118,614.54 is: 102,282,873.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,844,077.10 : 188,843,322.98 = 74,118,614.54 : x
  2. Step 2: Convert to fraction form
    136,844,077.10/188,843,322.98 = 74,118,614.54/x
  3. Step 3: Cross multiply
    136,844,077.10x = 188,843,322.98 × 74,118,614.54
  4. Step 4: Simplify right side
    136,844,077.10x = 13,996,805,463,648,422
  5. Step 5: Solve for x
    x = 13,996,805,463,648,422/136,844,077.10
  6. Step 6: Final answer
    x = 102,282,873.77

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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.