Home / 80,809,715.60-121,143,714.60-48,474,483.20

Finding the Fourth Proportional to 80,809,715.60, 121,143,714.60 and 48,474,483.20

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Solution

The fourth proportional to 80,809,715.60, 121,143,714.60 and 48,474,483.20 is: 72,669,219.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,809,715.60 : 121,143,714.60 = 48,474,483.20 : x
  2. Step 2: Convert to fraction form
    80,809,715.60/121,143,714.60 = 48,474,483.20/x
  3. Step 3: Cross multiply
    80,809,715.60x = 121,143,714.60 × 48,474,483.20
  4. Step 4: Simplify right side
    80,809,715.60x = 5,872,378,958,163,295
  5. Step 5: Solve for x
    x = 5,872,378,958,163,295/80,809,715.60
  6. Step 6: Final answer
    x = 72,669,219.47

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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.