Home / 80,123,988.04-120,185,795.16-52,631,444.84

Finding the Fourth Proportional to 80,123,988.04, 120,185,795.16 and 52,631,444.84

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Solution

The fourth proportional to 80,123,988.04, 120,185,795.16 and 52,631,444.84 is: 78,947,044.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,123,988.04 : 120,185,795.16 = 52,631,444.84 : x
  2. Step 2: Convert to fraction form
    80,123,988.04/120,185,795.16 = 52,631,444.84/x
  3. Step 3: Cross multiply
    80,123,988.04x = 120,185,795.16 × 52,631,444.84
  4. Step 4: Simplify right side
    80,123,988.04x = 6,325,552,048,515,079
  5. Step 5: Solve for x
    x = 6,325,552,048,515,079/80,123,988.04
  6. Step 6: Final answer
    x = 78,947,044.49

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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.