Home / 79,507,072.80-119,263,266.38-21,994,527.78

Finding the Fourth Proportional to 79,507,072.80, 119,263,266.38 and 21,994,527.78

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Solution

The fourth proportional to 79,507,072.80, 119,263,266.38 and 21,994,527.78 is: 32,992,526.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,507,072.80 : 119,263,266.38 = 21,994,527.78 : x
  2. Step 2: Convert to fraction form
    79,507,072.80/119,263,266.38 = 21,994,527.78/x
  3. Step 3: Cross multiply
    79,507,072.80x = 119,263,266.38 × 21,994,527.78
  4. Step 4: Simplify right side
    79,507,072.80x = 2,623,139,225,583,436.50
  5. Step 5: Solve for x
    x = 2,623,139,225,583,436.50/79,507,072.80
  6. Step 6: Final answer
    x = 32,992,526.74

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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.