Home / 20,161,487,087.80-30,233,160,705.30-7,735,687,919.80

Finding the Fourth Proportional to 20,161,487,087.80, 30,233,160,705.30 and 7,735,687,919.80

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Solution

The fourth proportional to 20,161,487,087.80, 30,233,160,705.30 and 7,735,687,919.80 is: 11,600,051,872.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,161,487,087.80 : 30,233,160,705.30 = 7,735,687,919.80 : x
  2. Step 2: Convert to fraction form
    20,161,487,087.80/30,233,160,705.30 = 7,735,687,919.80/x
  3. Step 3: Cross multiply
    20,161,487,087.80x = 30,233,160,705.30 × 7,735,687,919.80
  4. Step 4: Simplify right side
    20,161,487,087.80x = 233,874,296,045,361,266,688
  5. Step 5: Solve for x
    x = 233,874,296,045,361,266,688/20,161,487,087.80
  6. Step 6: Final answer
    x = 11,600,051,872.51

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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.