Home / 146,355,299.45-219,553,137-84,973,365.80

Finding the Fourth Proportional to 146,355,299.45, 219,553,137 and 84,973,365.80

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Solution

The fourth proportional to 146,355,299.45, 219,553,137 and 84,973,365.80 is: 127,471,769.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,355,299.45 : 219,553,137 = 84,973,365.80 : x
  2. Step 2: Convert to fraction form
    146,355,299.45/219,553,137 = 84,973,365.80/x
  3. Step 3: Cross multiply
    146,355,299.45x = 219,553,137 × 84,973,365.80
  4. Step 4: Simplify right side
    146,355,299.45x = 18,656,169,021,740,748
  5. Step 5: Solve for x
    x = 18,656,169,021,740,748/146,355,299.45
  6. Step 6: Final answer
    x = 127,471,769.68

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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.