Home / 261,151,467.71-360,389,013.51-143,674,277.73

Finding the Fourth Proportional to 261,151,467.71, 360,389,013.51 and 143,674,277.73

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Solution

The fourth proportional to 261,151,467.71, 360,389,013.51 and 143,674,277.73 is: 198,270,496.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,151,467.71 : 360,389,013.51 = 143,674,277.73 : x
  2. Step 2: Convert to fraction form
    261,151,467.71/360,389,013.51 = 143,674,277.73/x
  3. Step 3: Cross multiply
    261,151,467.71x = 360,389,013.51 × 143,674,277.73
  4. Step 4: Simplify right side
    261,151,467.71x = 51,778,631,217,063,784
  5. Step 5: Solve for x
    x = 51,778,631,217,063,784/261,151,467.71
  6. Step 6: Final answer
    x = 198,270,496.70

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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.