Home / 147,613,337.80-221,420,006.70-70,917,872.20

Finding the Fourth Proportional to 147,613,337.80, 221,420,006.70 and 70,917,872.20

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Solution

The fourth proportional to 147,613,337.80, 221,420,006.70 and 70,917,872.20 is: 106,376,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,613,337.80 : 221,420,006.70 = 70,917,872.20 : x
  2. Step 2: Convert to fraction form
    147,613,337.80/221,420,006.70 = 70,917,872.20/x
  3. Step 3: Cross multiply
    147,613,337.80x = 221,420,006.70 × 70,917,872.20
  4. Step 4: Simplify right side
    147,613,337.80x = 15,702,635,737,673,744
  5. Step 5: Solve for x
    x = 15,702,635,737,673,744/147,613,337.80
  6. Step 6: Final answer
    x = 106,376,808.30

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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.