Home / 207,369,213.60-311,053,820.40-161,683,658.40

Finding the Fourth Proportional to 207,369,213.60, 311,053,820.40 and 161,683,658.40

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Solution

The fourth proportional to 207,369,213.60, 311,053,820.40 and 161,683,658.40 is: 242,525,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,369,213.60 : 311,053,820.40 = 161,683,658.40 : x
  2. Step 2: Convert to fraction form
    207,369,213.60/311,053,820.40 = 161,683,658.40/x
  3. Step 3: Cross multiply
    207,369,213.60x = 311,053,820.40 × 161,683,658.40
  4. Step 4: Simplify right side
    207,369,213.60x = 50,292,319,641,568,552
  5. Step 5: Solve for x
    x = 50,292,319,641,568,552/207,369,213.60
  6. Step 6: Final answer
    x = 242,525,487.60

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1.5x scale

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.