Home / 208,096,489.60-311,808,811.20-131,282,051.20

Finding the Fourth Proportional to 208,096,489.60, 311,808,811.20 and 131,282,051.20

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Solution

The fourth proportional to 208,096,489.60, 311,808,811.20 and 131,282,051.20 is: 196,711,152.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,096,489.60 : 311,808,811.20 = 131,282,051.20 : x
  2. Step 2: Convert to fraction form
    208,096,489.60/311,808,811.20 = 131,282,051.20/x
  3. Step 3: Cross multiply
    208,096,489.60x = 311,808,811.20 × 131,282,051.20
  4. Step 4: Simplify right side
    208,096,489.60x = 40,934,900,316,569,536
  5. Step 5: Solve for x
    x = 40,934,900,316,569,536/208,096,489.60
  6. Step 6: Final answer
    x = 196,711,152.58

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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.