Home / 267,424,729.18-368,990,862.71-154,392,262.30

Finding the Fourth Proportional to 267,424,729.18, 368,990,862.71 and 154,392,262.30

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Solution

The fourth proportional to 267,424,729.18, 368,990,862.71 and 154,392,262.30 is: 213,029,416.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,424,729.18 : 368,990,862.71 = 154,392,262.30 : x
  2. Step 2: Convert to fraction form
    267,424,729.18/368,990,862.71 = 154,392,262.30/x
  3. Step 3: Cross multiply
    267,424,729.18x = 368,990,862.71 × 154,392,262.30
  4. Step 4: Simplify right side
    267,424,729.18x = 56,969,334,061,825,608
  5. Step 5: Solve for x
    x = 56,969,334,061,825,608/267,424,729.18
  6. Step 6: Final answer
    x = 213,029,416.68

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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.