Home / 80,201,923.05-120,559,747.73-74,515,504.35

Finding the Fourth Proportional to 80,201,923.05, 120,559,747.73 and 74,515,504.35

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Solution

The fourth proportional to 80,201,923.05, 120,559,747.73 and 74,515,504.35 is: 112,011,907.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,201,923.05 : 120,559,747.73 = 74,515,504.35 : x
  2. Step 2: Convert to fraction form
    80,201,923.05/120,559,747.73 = 74,515,504.35/x
  3. Step 3: Cross multiply
    80,201,923.05x = 120,559,747.73 × 74,515,504.35
  4. Step 4: Simplify right side
    80,201,923.05x = 8,983,570,406,037,139
  5. Step 5: Solve for x
    x = 8,983,570,406,037,139/80,201,923.05
  6. Step 6: Final answer
    x = 112,011,907.75

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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.