Home / 319,971,754.77-479,957,632.26-89,940,839.41

Finding the Fourth Proportional to 319,971,754.77, 479,957,632.26 and 89,940,839.41

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Solution

The fourth proportional to 319,971,754.77, 479,957,632.26 and 89,940,839.41 is: 134,911,259.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,971,754.77 : 479,957,632.26 = 89,940,839.41 : x
  2. Step 2: Convert to fraction form
    319,971,754.77/479,957,632.26 = 89,940,839.41/x
  3. Step 3: Cross multiply
    319,971,754.77x = 479,957,632.26 × 89,940,839.41
  4. Step 4: Simplify right side
    319,971,754.77x = 43,167,792,326,700,496
  5. Step 5: Solve for x
    x = 43,167,792,326,700,496/319,971,754.77
  6. Step 6: Final answer
    x = 134,911,259.14

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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.