Home / 179,067,564.80-268,601,347.20-124,648,006.40

Finding the Fourth Proportional to 179,067,564.80, 268,601,347.20 and 124,648,006.40

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Solution

The fourth proportional to 179,067,564.80, 268,601,347.20 and 124,648,006.40 is: 186,972,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,067,564.80 : 268,601,347.20 = 124,648,006.40 : x
  2. Step 2: Convert to fraction form
    179,067,564.80/268,601,347.20 = 124,648,006.40/x
  3. Step 3: Cross multiply
    179,067,564.80x = 268,601,347.20 × 124,648,006.40
  4. Step 4: Simplify right side
    179,067,564.80x = 33,480,622,444,834,224
  5. Step 5: Solve for x
    x = 33,480,622,444,834,224/179,067,564.80
  6. Step 6: Final answer
    x = 186,972,009.60

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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.