Home / 187,231,978.20-280,300,536.90-133,484,266.20

Finding the Fourth Proportional to 187,231,978.20, 280,300,536.90 and 133,484,266.20

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Solution

The fourth proportional to 187,231,978.20, 280,300,536.90 and 133,484,266.20 is: 199,836,116.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,231,978.20 : 280,300,536.90 = 133,484,266.20 : x
  2. Step 2: Convert to fraction form
    187,231,978.20/280,300,536.90 = 133,484,266.20/x
  3. Step 3: Cross multiply
    187,231,978.20x = 280,300,536.90 × 133,484,266.20
  4. Step 4: Simplify right side
    187,231,978.20x = 37,415,711,483,562,520
  5. Step 5: Solve for x
    x = 37,415,711,483,562,520/187,231,978.20
  6. Step 6: Final answer
    x = 199,836,116.90

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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.