Home / 80,901,914.58-121,339,585.84-34,831,380.40

Finding the Fourth Proportional to 80,901,914.58, 121,339,585.84 and 34,831,380.40

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Solution

The fourth proportional to 80,901,914.58, 121,339,585.84 and 34,831,380.40 is: 52,241,350.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,901,914.58 : 121,339,585.84 = 34,831,380.40 : x
  2. Step 2: Convert to fraction form
    80,901,914.58/121,339,585.84 = 34,831,380.40/x
  3. Step 3: Cross multiply
    80,901,914.58x = 121,339,585.84 × 34,831,380.40
  4. Step 4: Simplify right side
    80,901,914.58x = 4,226,425,271,190,639
  5. Step 5: Solve for x
    x = 4,226,425,271,190,639/80,901,914.58
  6. Step 6: Final answer
    x = 52,241,350.45

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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.