Home / 266,112,277.20-399,168,415.80-84,359,163.60

Finding the Fourth Proportional to 266,112,277.20, 399,168,415.80 and 84,359,163.60

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Solution

The fourth proportional to 266,112,277.20, 399,168,415.80 and 84,359,163.60 is: 126,538,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,112,277.20 : 399,168,415.80 = 84,359,163.60 : x
  2. Step 2: Convert to fraction form
    266,112,277.20/399,168,415.80 = 84,359,163.60/x
  3. Step 3: Cross multiply
    266,112,277.20x = 399,168,415.80 × 84,359,163.60
  4. Step 4: Simplify right side
    266,112,277.20x = 33,673,513,692,425,024
  5. Step 5: Solve for x
    x = 33,673,513,692,425,024/266,112,277.20
  6. Step 6: Final answer
    x = 126,538,745.40

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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.