Home / 124,285,106.85-186,427,654.80-55,181,666.76

Finding the Fourth Proportional to 124,285,106.85, 186,427,654.80 and 55,181,666.76

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Solution

The fourth proportional to 124,285,106.85, 186,427,654.80 and 55,181,666.76 is: 82,772,497.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,285,106.85 : 186,427,654.80 = 55,181,666.76 : x
  2. Step 2: Convert to fraction form
    124,285,106.85/186,427,654.80 = 55,181,666.76/x
  3. Step 3: Cross multiply
    124,285,106.85x = 186,427,654.80 × 55,181,666.76
  4. Step 4: Simplify right side
    124,285,106.85x = 10,287,388,722,021,914
  5. Step 5: Solve for x
    x = 10,287,388,722,021,914/124,285,106.85
  6. Step 6: Final answer
    x = 82,772,497.71

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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.