Home / 147,983,999.10-221,975,998.65-137,906,303.10

Finding the Fourth Proportional to 147,983,999.10, 221,975,998.65 and 137,906,303.10

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Solution

The fourth proportional to 147,983,999.10, 221,975,998.65 and 137,906,303.10 is: 206,859,454.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,983,999.10 : 221,975,998.65 = 137,906,303.10 : x
  2. Step 2: Convert to fraction form
    147,983,999.10/221,975,998.65 = 137,906,303.10/x
  3. Step 3: Cross multiply
    147,983,999.10x = 221,975,998.65 × 137,906,303.10
  4. Step 4: Simplify right side
    147,983,999.10x = 30,611,889,350,752,092
  5. Step 5: Solve for x
    x = 30,611,889,350,752,092/147,983,999.10
  6. Step 6: Final answer
    x = 206,859,454.65

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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.