Home / 223,843,120.05-308,904,731.04-129,813,017.58

Finding the Fourth Proportional to 223,843,120.05, 308,904,731.04 and 129,813,017.58

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Solution

The fourth proportional to 223,843,120.05, 308,904,731.04 and 129,813,017.58 is: 179,142,674.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,843,120.05 : 308,904,731.04 = 129,813,017.58 : x
  2. Step 2: Convert to fraction form
    223,843,120.05/308,904,731.04 = 129,813,017.58/x
  3. Step 3: Cross multiply
    223,843,120.05x = 308,904,731.04 × 129,813,017.58
  4. Step 4: Simplify right side
    223,843,120.05x = 40,099,855,281,040,696
  5. Step 5: Solve for x
    x = 40,099,855,281,040,696/223,843,120.05
  6. Step 6: Final answer
    x = 179,142,674.89

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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.