Home / 35,881,344,007.20-53,822,016,010.80-21,188,063,239.20

Finding the Fourth Proportional to 35,881,344,007.20, 53,822,016,010.80 and 21,188,063,239.20

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Solution

The fourth proportional to 35,881,344,007.20, 53,822,016,010.80 and 21,188,063,239.20 is: 31,782,094,858.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,881,344,007.20 : 53,822,016,010.80 = 21,188,063,239.20 : x
  2. Step 2: Convert to fraction form
    35,881,344,007.20/53,822,016,010.80 = 21,188,063,239.20/x
  3. Step 3: Cross multiply
    35,881,344,007.20x = 53,822,016,010.80 × 21,188,063,239.20
  4. Step 4: Simplify right side
    35,881,344,007.20x = 1,140,384,278,898,065,408,000
  5. Step 5: Solve for x
    x = 1,140,384,278,898,065,408,000/35,881,344,007.20
  6. Step 6: Final answer
    x = 31,782,094,858.80

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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.