Home / 261,000,076.81-360,091,958.29-147,957,448.50

Finding the Fourth Proportional to 261,000,076.81, 360,091,958.29 and 147,957,448.50

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Solution

The fourth proportional to 261,000,076.81, 360,091,958.29 and 147,957,448.50 is: 204,131,309.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,000,076.81 : 360,091,958.29 = 147,957,448.50 : x
  2. Step 2: Convert to fraction form
    261,000,076.81/360,091,958.29 = 147,957,448.50/x
  3. Step 3: Cross multiply
    261,000,076.81x = 360,091,958.29 × 147,957,448.50
  4. Step 4: Simplify right side
    261,000,076.81x = 53,278,287,373,956,824
  5. Step 5: Solve for x
    x = 53,278,287,373,956,824/261,000,076.81
  6. Step 6: Final answer
    x = 204,131,309.17

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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.