Home / 80,780,186.04-121,228,740.18-31,603,304.76

Finding the Fourth Proportional to 80,780,186.04, 121,228,740.18 and 31,603,304.76

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Solution

The fourth proportional to 80,780,186.04, 121,228,740.18 and 31,603,304.76 is: 47,427,828.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,780,186.04 : 121,228,740.18 = 31,603,304.76 : x
  2. Step 2: Convert to fraction form
    80,780,186.04/121,228,740.18 = 31,603,304.76/x
  3. Step 3: Cross multiply
    80,780,186.04x = 121,228,740.18 × 31,603,304.76
  4. Step 4: Simplify right side
    80,780,186.04x = 3,831,228,821,579,397.50
  5. Step 5: Solve for x
    x = 3,831,228,821,579,397.50/80,780,186.04
  6. Step 6: Final answer
    x = 47,427,828.65

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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.