Home / 131,784,479.08-197,680,878.78-45,527,799.40

Finding the Fourth Proportional to 131,784,479.08, 197,680,878.78 and 45,527,799.40

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Solution

The fourth proportional to 131,784,479.08, 197,680,878.78 and 45,527,799.40 is: 68,293,136.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,784,479.08 : 197,680,878.78 = 45,527,799.40 : x
  2. Step 2: Convert to fraction form
    131,784,479.08/197,680,878.78 = 45,527,799.40/x
  3. Step 3: Cross multiply
    131,784,479.08x = 197,680,878.78 × 45,527,799.40
  4. Step 4: Simplify right side
    131,784,479.08x = 8,999,975,394,311,556
  5. Step 5: Solve for x
    x = 8,999,975,394,311,556/131,784,479.08
  6. Step 6: Final answer
    x = 68,293,136.32

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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.