Home / 128,384,834.04-177,171,070.62-73,381,871.52

Finding the Fourth Proportional to 128,384,834.04, 177,171,070.62 and 73,381,871.52

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Solution

The fourth proportional to 128,384,834.04, 177,171,070.62 and 73,381,871.52 is: 101,266,982.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,384,834.04 : 177,171,070.62 = 73,381,871.52 : x
  2. Step 2: Convert to fraction form
    128,384,834.04/177,171,070.62 = 73,381,871.52/x
  3. Step 3: Cross multiply
    128,384,834.04x = 177,171,070.62 × 73,381,871.52
  4. Step 4: Simplify right side
    128,384,834.04x = 13,001,144,741,297,686
  5. Step 5: Solve for x
    x = 13,001,144,741,297,686/128,384,834.04
  6. Step 6: Final answer
    x = 101,266,982.49

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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.