Home / 107,918,538.80-161,877,808.20-89,022,858.80

Finding the Fourth Proportional to 107,918,538.80, 161,877,808.20 and 89,022,858.80

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Solution

The fourth proportional to 107,918,538.80, 161,877,808.20 and 89,022,858.80 is: 133,534,288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,918,538.80 : 161,877,808.20 = 89,022,858.80 : x
  2. Step 2: Convert to fraction form
    107,918,538.80/161,877,808.20 = 89,022,858.80/x
  3. Step 3: Cross multiply
    107,918,538.80x = 161,877,808.20 × 89,022,858.80
  4. Step 4: Simplify right side
    107,918,538.80x = 14,410,825,262,242,080
  5. Step 5: Solve for x
    x = 14,410,825,262,242,080/107,918,538.80
  6. Step 6: Final answer
    x = 133,534,288.20

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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.