Home / 118,564,429.80-177,846,644.70-80,244,301.80

Finding the Fourth Proportional to 118,564,429.80, 177,846,644.70 and 80,244,301.80

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Solution

The fourth proportional to 118,564,429.80, 177,846,644.70 and 80,244,301.80 is: 120,366,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,564,429.80 : 177,846,644.70 = 80,244,301.80 : x
  2. Step 2: Convert to fraction form
    118,564,429.80/177,846,644.70 = 80,244,301.80/x
  3. Step 3: Cross multiply
    118,564,429.80x = 177,846,644.70 × 80,244,301.80
  4. Step 4: Simplify right side
    118,564,429.80x = 14,271,179,831,424,168
  5. Step 5: Solve for x
    x = 14,271,179,831,424,168/118,564,429.80
  6. Step 6: Final answer
    x = 120,366,452.70

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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.