Home / 130,122,825.57-179,558,062.81-74,357,179.61

Finding the Fourth Proportional to 130,122,825.57, 179,558,062.81 and 74,357,179.61

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Solution

The fourth proportional to 130,122,825.57, 179,558,062.81 and 74,357,179.61 is: 102,606,372.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,122,825.57 : 179,558,062.81 = 74,357,179.61 : x
  2. Step 2: Convert to fraction form
    130,122,825.57/179,558,062.81 = 74,357,179.61/x
  3. Step 3: Cross multiply
    130,122,825.57x = 179,558,062.81 × 74,357,179.61
  4. Step 4: Simplify right side
    130,122,825.57x = 13,351,431,125,703,150
  5. Step 5: Solve for x
    x = 13,351,431,125,703,150/130,122,825.57
  6. Step 6: Final answer
    x = 102,606,372.61

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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.