Home / 268,272,022.80-402,408,034.20-166,235,350.80

Finding the Fourth Proportional to 268,272,022.80, 402,408,034.20 and 166,235,350.80

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Solution

The fourth proportional to 268,272,022.80, 402,408,034.20 and 166,235,350.80 is: 249,353,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,272,022.80 : 402,408,034.20 = 166,235,350.80 : x
  2. Step 2: Convert to fraction form
    268,272,022.80/402,408,034.20 = 166,235,350.80/x
  3. Step 3: Cross multiply
    268,272,022.80x = 402,408,034.20 × 166,235,350.80
  4. Step 4: Simplify right side
    268,272,022.80x = 66,894,440,729,975,400
  5. Step 5: Solve for x
    x = 66,894,440,729,975,400/268,272,022.80
  6. Step 6: Final answer
    x = 249,353,026.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.