Home / 129,228,580.80-193,842,871.20-109,745,035.20

Finding the Fourth Proportional to 129,228,580.80, 193,842,871.20 and 109,745,035.20

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Solution

The fourth proportional to 129,228,580.80, 193,842,871.20 and 109,745,035.20 is: 164,617,552.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,228,580.80 : 193,842,871.20 = 109,745,035.20 : x
  2. Step 2: Convert to fraction form
    129,228,580.80/193,842,871.20 = 109,745,035.20/x
  3. Step 3: Cross multiply
    129,228,580.80x = 193,842,871.20 × 109,745,035.20
  4. Step 4: Simplify right side
    129,228,580.80x = 21,273,292,723,113,064
  5. Step 5: Solve for x
    x = 21,273,292,723,113,064/129,228,580.80
  6. Step 6: Final answer
    x = 164,617,552.80

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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.