Home / 310,434,438.84-428,399,950.68-169,306,000.23

Finding the Fourth Proportional to 310,434,438.84, 428,399,950.68 and 169,306,000.23

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Solution

The fourth proportional to 310,434,438.84, 428,399,950.68 and 169,306,000.23 is: 233,642,512.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,434,438.84 : 428,399,950.68 = 169,306,000.23 : x
  2. Step 2: Convert to fraction form
    310,434,438.84/428,399,950.68 = 169,306,000.23/x
  3. Step 3: Cross multiply
    310,434,438.84x = 428,399,950.68 × 169,306,000.23
  4. Step 4: Simplify right side
    310,434,438.84x = 72,530,682,149,966,560
  5. Step 5: Solve for x
    x = 72,530,682,149,966,560/310,434,438.84
  6. Step 6: Final answer
    x = 233,642,512.16

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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.