Home / 319,446,972.65-440,856,982.90-180,166,915.37

Finding the Fourth Proportional to 319,446,972.65, 440,856,982.90 and 180,166,915.37

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Solution

The fourth proportional to 319,446,972.65, 440,856,982.90 and 180,166,915.37 is: 248,641,713.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,446,972.65 : 440,856,982.90 = 180,166,915.37 : x
  2. Step 2: Convert to fraction form
    319,446,972.65/440,856,982.90 = 180,166,915.37/x
  3. Step 3: Cross multiply
    319,446,972.65x = 440,856,982.90 × 180,166,915.37
  4. Step 4: Simplify right side
    319,446,972.65x = 79,427,842,729,745,184
  5. Step 5: Solve for x
    x = 79,427,842,729,745,184/319,446,972.65
  6. Step 6: Final answer
    x = 248,641,713.74

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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.