Home / 221,434,009.20-332,151,013.80-68,060,136.60

Finding the Fourth Proportional to 221,434,009.20, 332,151,013.80 and 68,060,136.60

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Solution

The fourth proportional to 221,434,009.20, 332,151,013.80 and 68,060,136.60 is: 102,090,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,434,009.20 : 332,151,013.80 = 68,060,136.60 : x
  2. Step 2: Convert to fraction form
    221,434,009.20/332,151,013.80 = 68,060,136.60/x
  3. Step 3: Cross multiply
    221,434,009.20x = 332,151,013.80 × 68,060,136.60
  4. Step 4: Simplify right side
    221,434,009.20x = 22,606,243,371,056,484
  5. Step 5: Solve for x
    x = 22,606,243,371,056,484/221,434,009.20
  6. Step 6: Final answer
    x = 102,090,204.90

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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.