Home / 239,243,320.80-358,864,981.20-136,923,213.60

Finding the Fourth Proportional to 239,243,320.80, 358,864,981.20 and 136,923,213.60

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Solution

The fourth proportional to 239,243,320.80, 358,864,981.20 and 136,923,213.60 is: 205,384,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,243,320.80 : 358,864,981.20 = 136,923,213.60 : x
  2. Step 2: Convert to fraction form
    239,243,320.80/358,864,981.20 = 136,923,213.60/x
  3. Step 3: Cross multiply
    239,243,320.80x = 358,864,981.20 × 136,923,213.60
  4. Step 4: Simplify right side
    239,243,320.80x = 49,136,946,474,407,584
  5. Step 5: Solve for x
    x = 49,136,946,474,407,584/239,243,320.80
  6. Step 6: Final answer
    x = 205,384,820.40

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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.