Home / 80,627,174.58-120,352,152.98-69,186,163.27

Finding the Fourth Proportional to 80,627,174.58, 120,352,152.98 and 69,186,163.27

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Solution

The fourth proportional to 80,627,174.58, 120,352,152.98 and 69,186,163.27 is: 103,274,159.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,627,174.58 : 120,352,152.98 = 69,186,163.27 : x
  2. Step 2: Convert to fraction form
    80,627,174.58/120,352,152.98 = 69,186,163.27/x
  3. Step 3: Cross multiply
    80,627,174.58x = 120,352,152.98 × 69,186,163.27
  4. Step 4: Simplify right side
    80,627,174.58x = 8,326,703,705,624,365
  5. Step 5: Solve for x
    x = 8,326,703,705,624,365/80,627,174.58
  6. Step 6: Final answer
    x = 103,274,159.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.