Home / 319,446,984.84-440,856,999.72-180,166,927.56

Finding the Fourth Proportional to 319,446,984.84, 440,856,999.72 and 180,166,927.56

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Solution

The fourth proportional to 319,446,984.84, 440,856,999.72 and 180,166,927.56 is: 248,641,730.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,446,984.84 : 440,856,999.72 = 180,166,927.56 : x
  2. Step 2: Convert to fraction form
    319,446,984.84/440,856,999.72 = 180,166,927.56/x
  3. Step 3: Cross multiply
    319,446,984.84x = 440,856,999.72 × 180,166,927.56
  4. Step 4: Simplify right side
    319,446,984.84x = 79,427,851,132,872,192
  5. Step 5: Solve for x
    x = 79,427,851,132,872,192/319,446,984.84
  6. Step 6: Final answer
    x = 248,641,730.56

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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.