Home / 146,843,999.10-220,265,998.65-78,819,551.10

Finding the Fourth Proportional to 146,843,999.10, 220,265,998.65 and 78,819,551.10

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Solution

The fourth proportional to 146,843,999.10, 220,265,998.65 and 78,819,551.10 is: 118,229,326.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,843,999.10 : 220,265,998.65 = 78,819,551.10 : x
  2. Step 2: Convert to fraction form
    146,843,999.10/220,265,998.65 = 78,819,551.10/x
  3. Step 3: Cross multiply
    146,843,999.10x = 220,265,998.65 × 78,819,551.10
  4. Step 4: Simplify right side
    146,843,999.10x = 17,361,267,136,186,206
  5. Step 5: Solve for x
    x = 17,361,267,136,186,206/146,843,999.10
  6. Step 6: Final answer
    x = 118,229,326.65

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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.