Home / 208,119,276.42-312,198,104.40-68,060,460.21

Finding the Fourth Proportional to 208,119,276.42, 312,198,104.40 and 68,060,460.21

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Solution

The fourth proportional to 208,119,276.42, 312,198,104.40 and 68,060,460.21 is: 102,096,965.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,119,276.42 : 312,198,104.40 = 68,060,460.21 : x
  2. Step 2: Convert to fraction form
    208,119,276.42/312,198,104.40 = 68,060,460.21/x
  3. Step 3: Cross multiply
    208,119,276.42x = 312,198,104.40 × 68,060,460.21
  4. Step 4: Simplify right side
    208,119,276.42x = 21,248,346,662,153,624
  5. Step 5: Solve for x
    x = 21,248,346,662,153,624/208,119,276.42
  6. Step 6: Final answer
    x = 102,096,965.87

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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.