Home / 319,971,752.51-479,957,628.88-89,940,837.17

Finding the Fourth Proportional to 319,971,752.51, 479,957,628.88 and 89,940,837.17

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Solution

The fourth proportional to 319,971,752.51, 479,957,628.88 and 89,940,837.17 is: 134,911,255.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,971,752.51 : 479,957,628.88 = 89,940,837.17 : x
  2. Step 2: Convert to fraction form
    319,971,752.51/479,957,628.88 = 89,940,837.17/x
  3. Step 3: Cross multiply
    319,971,752.51x = 479,957,628.88 × 89,940,837.17
  4. Step 4: Simplify right side
    319,971,752.51x = 43,167,790,947,595,368
  5. Step 5: Solve for x
    x = 43,167,790,947,595,368/319,971,752.51
  6. Step 6: Final answer
    x = 134,911,255.79

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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.