Home / 319,452,498-479,231,694.27-112,137,117.66

Finding the Fourth Proportional to 319,452,498, 479,231,694.27 and 112,137,117.66

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Solution

The fourth proportional to 319,452,498, 479,231,694.27 and 112,137,117.66 is: 168,224,262.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,452,498 : 479,231,694.27 = 112,137,117.66 : x
  2. Step 2: Convert to fraction form
    319,452,498/479,231,694.27 = 112,137,117.66/x
  3. Step 3: Cross multiply
    319,452,498x = 479,231,694.27 × 112,137,117.66
  4. Step 4: Simplify right side
    319,452,498x = 53,739,660,886,756,136
  5. Step 5: Solve for x
    x = 53,739,660,886,756,136/319,452,498
  6. Step 6: Final answer
    x = 168,224,262.52

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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.