Home / 143,737,667.10-215,606,500.65-102,922,998.30

Finding the Fourth Proportional to 143,737,667.10, 215,606,500.65 and 102,922,998.30

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Solution

The fourth proportional to 143,737,667.10, 215,606,500.65 and 102,922,998.30 is: 154,384,497.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,737,667.10 : 215,606,500.65 = 102,922,998.30 : x
  2. Step 2: Convert to fraction form
    143,737,667.10/215,606,500.65 = 102,922,998.30/x
  3. Step 3: Cross multiply
    143,737,667.10x = 215,606,500.65 × 102,922,998.30
  4. Step 4: Simplify right side
    143,737,667.10x = 22,190,867,499,868,900
  5. Step 5: Solve for x
    x = 22,190,867,499,868,900/143,737,667.10
  6. Step 6: Final answer
    x = 154,384,497.45

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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.