Home / 312,062,663.16-430,645,400.23-179,903,029.54

Finding the Fourth Proportional to 312,062,663.16, 430,645,400.23 and 179,903,029.54

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Solution

The fourth proportional to 312,062,663.16, 430,645,400.23 and 179,903,029.54 is: 248,265,561.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,062,663.16 : 430,645,400.23 = 179,903,029.54 : x
  2. Step 2: Convert to fraction form
    312,062,663.16/430,645,400.23 = 179,903,029.54/x
  3. Step 3: Cross multiply
    312,062,663.16x = 430,645,400.23 × 179,903,029.54
  4. Step 4: Simplify right side
    312,062,663.16x = 77,474,412,158,842,816
  5. Step 5: Solve for x
    x = 77,474,412,158,842,816/312,062,663.16
  6. Step 6: Final answer
    x = 248,265,561.07

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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.