Home / 133,007,072.80-199,400,017.20-56,388,935.20

Finding the Fourth Proportional to 133,007,072.80, 199,400,017.20 and 56,388,935.20

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Solution

The fourth proportional to 133,007,072.80, 199,400,017.20 and 56,388,935.20 is: 84,536,516.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,007,072.80 : 199,400,017.20 = 56,388,935.20 : x
  2. Step 2: Convert to fraction form
    133,007,072.80/199,400,017.20 = 56,388,935.20/x
  3. Step 3: Cross multiply
    133,007,072.80x = 199,400,017.20 × 56,388,935.20
  4. Step 4: Simplify right side
    133,007,072.80x = 11,243,954,648,769,686
  5. Step 5: Solve for x
    x = 11,243,954,648,769,686/133,007,072.80
  6. Step 6: Final answer
    x = 84,536,516.83

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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.