Home / 133,510,142.70-200,300,643.45-47,239,553.70

Finding the Fourth Proportional to 133,510,142.70, 200,300,643.45 and 47,239,553.70

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Solution

The fourth proportional to 133,510,142.70, 200,300,643.45 and 47,239,553.70 is: 70,871,866.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,510,142.70 : 200,300,643.45 = 47,239,553.70 : x
  2. Step 2: Convert to fraction form
    133,510,142.70/200,300,643.45 = 47,239,553.70/x
  3. Step 3: Cross multiply
    133,510,142.70x = 200,300,643.45 × 47,239,553.70
  4. Step 4: Simplify right side
    133,510,142.70x = 9,462,113,002,400,828
  5. Step 5: Solve for x
    x = 9,462,113,002,400,828/133,510,142.70
  6. Step 6: Final answer
    x = 70,871,866.44

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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.