Home / 115,435,573.68-159,303,670.40-65,874,960.84

Finding the Fourth Proportional to 115,435,573.68, 159,303,670.40 and 65,874,960.84

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Solution

The fourth proportional to 115,435,573.68, 159,303,670.40 and 65,874,960.84 is: 90,908,917.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,435,573.68 : 159,303,670.40 = 65,874,960.84 : x
  2. Step 2: Convert to fraction form
    115,435,573.68/159,303,670.40 = 65,874,960.84/x
  3. Step 3: Cross multiply
    115,435,573.68x = 159,303,670.40 × 65,874,960.84
  4. Step 4: Simplify right side
    115,435,573.68x = 10,494,123,049,268,268
  5. Step 5: Solve for x
    x = 10,494,123,049,268,268/115,435,573.68
  6. Step 6: Final answer
    x = 90,908,917.54

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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.