Home / 148,544,730.40-204,986,917.20-83,355,723.04

Finding the Fourth Proportional to 148,544,730.40, 204,986,917.20 and 83,355,723.04

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Solution

The fourth proportional to 148,544,730.40, 204,986,917.20 and 83,355,723.04 is: 115,028,198.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,544,730.40 : 204,986,917.20 = 83,355,723.04 : x
  2. Step 2: Convert to fraction form
    148,544,730.40/204,986,917.20 = 83,355,723.04/x
  3. Step 3: Cross multiply
    148,544,730.40x = 204,986,917.20 × 83,355,723.04
  4. Step 4: Simplify right side
    148,544,730.40x = 17,086,832,696,946,612
  5. Step 5: Solve for x
    x = 17,086,832,696,946,612/148,544,730.40
  6. Step 6: Final answer
    x = 115,028,198.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.