Home / 319,446,983.34-440,856,997.65-180,166,926.06

Finding the Fourth Proportional to 319,446,983.34, 440,856,997.65 and 180,166,926.06

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Solution

The fourth proportional to 319,446,983.34, 440,856,997.65 and 180,166,926.06 is: 248,641,728.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,446,983.34 : 440,856,997.65 = 180,166,926.06 : x
  2. Step 2: Convert to fraction form
    319,446,983.34/440,856,997.65 = 180,166,926.06/x
  3. Step 3: Cross multiply
    319,446,983.34x = 440,856,997.65 × 180,166,926.06
  4. Step 4: Simplify right side
    319,446,983.34x = 79,427,850,098,641,136
  5. Step 5: Solve for x
    x = 79,427,850,098,641,136/319,446,983.34
  6. Step 6: Final answer
    x = 248,641,728.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.