Home / 319,452,488.84-479,231,680.44-112,137,108.50

Finding the Fourth Proportional to 319,452,488.84, 479,231,680.44 and 112,137,108.50

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Solution

The fourth proportional to 319,452,488.84, 479,231,680.44 and 112,137,108.50 is: 168,224,248.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,452,488.84 : 479,231,680.44 = 112,137,108.50 : x
  2. Step 2: Convert to fraction form
    319,452,488.84/479,231,680.44 = 112,137,108.50/x
  3. Step 3: Cross multiply
    319,452,488.84x = 479,231,680.44 × 112,137,108.50
  4. Step 4: Simplify right side
    319,452,488.84x = 53,739,654,946,137,608
  5. Step 5: Solve for x
    x = 53,739,654,946,137,608/319,452,488.84
  6. Step 6: Final answer
    x = 168,224,248.75

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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.