Home / 143,855,667.09-198,388,349.28-94,277,978.46

Finding the Fourth Proportional to 143,855,667.09, 198,388,349.28 and 94,277,978.46

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Solution

The fourth proportional to 143,855,667.09, 198,388,349.28 and 94,277,978.46 is: 130,016,793.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,855,667.09 : 198,388,349.28 = 94,277,978.46 : x
  2. Step 2: Convert to fraction form
    143,855,667.09/198,388,349.28 = 94,277,978.46/x
  3. Step 3: Cross multiply
    143,855,667.09x = 198,388,349.28 × 94,277,978.46
  4. Step 4: Simplify right side
    143,855,667.09x = 18,703,652,520,134,796
  5. Step 5: Solve for x
    x = 18,703,652,520,134,796/143,855,667.09
  6. Step 6: Final answer
    x = 130,016,793.21

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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.