Home / 146,902,709.80-220,165,107.90-89,333,871.40

Finding the Fourth Proportional to 146,902,709.80, 220,165,107.90 and 89,333,871.40

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Solution

The fourth proportional to 146,902,709.80, 220,165,107.90 and 89,333,871.40 is: 133,885,899.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,902,709.80 : 220,165,107.90 = 89,333,871.40 : x
  2. Step 2: Convert to fraction form
    146,902,709.80/220,165,107.90 = 89,333,871.40/x
  3. Step 3: Cross multiply
    146,902,709.80x = 220,165,107.90 × 89,333,871.40
  4. Step 4: Simplify right side
    146,902,709.80x = 19,668,201,435,905,724
  5. Step 5: Solve for x
    x = 19,668,201,435,905,724/146,902,709.80
  6. Step 6: Final answer
    x = 133,885,899.47

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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.