Home / 209,177,029.02-313,962,125.73-109,538,187.93

Finding the Fourth Proportional to 209,177,029.02, 313,962,125.73 and 109,538,187.93

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Solution

The fourth proportional to 209,177,029.02, 313,962,125.73 and 109,538,187.93 is: 164,410,224.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,177,029.02 : 313,962,125.73 = 109,538,187.93 : x
  2. Step 2: Convert to fraction form
    209,177,029.02/313,962,125.73 = 109,538,187.93/x
  3. Step 3: Cross multiply
    209,177,029.02x = 313,962,125.73 × 109,538,187.93
  4. Step 4: Simplify right side
    209,177,029.02x = 34,390,842,331,115,032
  5. Step 5: Solve for x
    x = 34,390,842,331,115,032/209,177,029.02
  6. Step 6: Final answer
    x = 164,410,224.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.