Home / 312,062,669.92-430,645,409.53-179,903,036.31

Finding the Fourth Proportional to 312,062,669.92, 430,645,409.53 and 179,903,036.31

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Solution

The fourth proportional to 312,062,669.92, 430,645,409.53 and 179,903,036.31 is: 248,265,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,062,669.92 : 430,645,409.53 = 179,903,036.31 : x
  2. Step 2: Convert to fraction form
    312,062,669.92/430,645,409.53 = 179,903,036.31/x
  3. Step 3: Cross multiply
    312,062,669.92x = 430,645,409.53 × 179,903,036.31
  4. Step 4: Simplify right side
    312,062,669.92x = 77,474,416,747,410,400
  5. Step 5: Solve for x
    x = 77,474,416,747,410,400/312,062,669.92
  6. Step 6: Final answer
    x = 248,265,570.40

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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.