Home / 142,181,674.40-213,272,511.60-131,096,208.80

Finding the Fourth Proportional to 142,181,674.40, 213,272,511.60 and 131,096,208.80

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Solution

The fourth proportional to 142,181,674.40, 213,272,511.60 and 131,096,208.80 is: 196,644,313.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,181,674.40 : 213,272,511.60 = 131,096,208.80 : x
  2. Step 2: Convert to fraction form
    142,181,674.40/213,272,511.60 = 131,096,208.80/x
  3. Step 3: Cross multiply
    142,181,674.40x = 213,272,511.60 × 131,096,208.80
  4. Step 4: Simplify right side
    142,181,674.40x = 27,959,217,712,014,020
  5. Step 5: Solve for x
    x = 27,959,217,712,014,020/142,181,674.40
  6. Step 6: Final answer
    x = 196,644,313.20

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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.