Home / 319,971,751.51-479,957,627.38-89,940,836.17

Finding the Fourth Proportional to 319,971,751.51, 479,957,627.38 and 89,940,836.17

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Solution

The fourth proportional to 319,971,751.51, 479,957,627.38 and 89,940,836.17 is: 134,911,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,971,751.51 : 479,957,627.38 = 89,940,836.17 : x
  2. Step 2: Convert to fraction form
    319,971,751.51/479,957,627.38 = 89,940,836.17/x
  3. Step 3: Cross multiply
    319,971,751.51x = 479,957,627.38 × 89,940,836.17
  4. Step 4: Simplify right side
    319,971,751.51x = 43,167,790,332,175,504
  5. Step 5: Solve for x
    x = 43,167,790,332,175,504/319,971,751.51
  6. Step 6: Final answer
    x = 134,911,254.28

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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.