Home / 142,231,654.80-213,347,482.20-106,399,846.80

Finding the Fourth Proportional to 142,231,654.80, 213,347,482.20 and 106,399,846.80

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Solution

The fourth proportional to 142,231,654.80, 213,347,482.20 and 106,399,846.80 is: 159,599,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,231,654.80 : 213,347,482.20 = 106,399,846.80 : x
  2. Step 2: Convert to fraction form
    142,231,654.80/213,347,482.20 = 106,399,846.80/x
  3. Step 3: Cross multiply
    142,231,654.80x = 213,347,482.20 × 106,399,846.80
  4. Step 4: Simplify right side
    142,231,654.80x = 22,700,139,421,245,724
  5. Step 5: Solve for x
    x = 22,700,139,421,245,724/142,231,654.80
  6. Step 6: Final answer
    x = 159,599,770.20

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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.