Home / 102,764,649.58-141,815,063.05-55,721,637.56

Finding the Fourth Proportional to 102,764,649.58, 141,815,063.05 and 55,721,637.56

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Solution

The fourth proportional to 102,764,649.58, 141,815,063.05 and 55,721,637.56 is: 76,895,776.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,764,649.58 : 141,815,063.05 = 55,721,637.56 : x
  2. Step 2: Convert to fraction form
    102,764,649.58/141,815,063.05 = 55,721,637.56/x
  3. Step 3: Cross multiply
    102,764,649.58x = 141,815,063.05 × 55,721,637.56
  4. Step 4: Simplify right side
    102,764,649.58x = 7,902,167,544,035,883
  5. Step 5: Solve for x
    x = 7,902,167,544,035,883/102,764,649.58
  6. Step 6: Final answer
    x = 76,895,776.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.