Home / 187,100,997.30-280,226,343.15-118,226,243.70

Finding the Fourth Proportional to 187,100,997.30, 280,226,343.15 and 118,226,243.70

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Solution

The fourth proportional to 187,100,997.30, 280,226,343.15 and 118,226,243.70 is: 177,070,718.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,100,997.30 : 280,226,343.15 = 118,226,243.70 : x
  2. Step 2: Convert to fraction form
    187,100,997.30/280,226,343.15 = 118,226,243.70/x
  3. Step 3: Cross multiply
    187,100,997.30x = 280,226,343.15 × 118,226,243.70
  4. Step 4: Simplify right side
    187,100,997.30x = 33,130,107,936,411,724
  5. Step 5: Solve for x
    x = 33,130,107,936,411,724/187,100,997.30
  6. Step 6: Final answer
    x = 177,070,718.03

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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.