Home / 136,822,027.51-188,812,064.44-74,097,617.14

Finding the Fourth Proportional to 136,822,027.51, 188,812,064.44 and 74,097,617.14

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Solution

The fourth proportional to 136,822,027.51, 188,812,064.44 and 74,097,617.14 is: 102,253,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,822,027.51 : 188,812,064.44 = 74,097,617.14 : x
  2. Step 2: Convert to fraction form
    136,822,027.51/188,812,064.44 = 74,097,617.14/x
  3. Step 3: Cross multiply
    136,822,027.51x = 188,812,064.44 × 74,097,617.14
  4. Step 4: Simplify right side
    136,822,027.51x = 13,990,524,062,288,128
  5. Step 5: Solve for x
    x = 13,990,524,062,288,128/136,822,027.51
  6. Step 6: Final answer
    x = 102,253,447.91

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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.