Home / 213,063,670.45-293,944,206.77-123,740,409.14

Finding the Fourth Proportional to 213,063,670.45, 293,944,206.77 and 123,740,409.14

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Solution

The fourth proportional to 213,063,670.45, 293,944,206.77 and 123,740,409.14 is: 170,713,178.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,063,670.45 : 293,944,206.77 = 123,740,409.14 : x
  2. Step 2: Convert to fraction form
    213,063,670.45/293,944,206.77 = 123,740,409.14/x
  3. Step 3: Cross multiply
    213,063,670.45x = 293,944,206.77 × 123,740,409.14
  4. Step 4: Simplify right side
    213,063,670.45x = 36,372,776,410,227,112
  5. Step 5: Solve for x
    x = 36,372,776,410,227,112/213,063,670.45
  6. Step 6: Final answer
    x = 170,713,178.52

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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.