Home / 100,845,489.24-139,167,063.39-58,467,284.40

Finding the Fourth Proportional to 100,845,489.24, 139,167,063.39 and 58,467,284.40

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Solution

The fourth proportional to 100,845,489.24, 139,167,063.39 and 58,467,284.40 is: 80,685,019.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,845,489.24 : 139,167,063.39 = 58,467,284.40 : x
  2. Step 2: Convert to fraction form
    100,845,489.24/139,167,063.39 = 58,467,284.40/x
  3. Step 3: Cross multiply
    100,845,489.24x = 139,167,063.39 × 58,467,284.40
  4. Step 4: Simplify right side
    100,845,489.24x = 8,136,720,274,335,957
  5. Step 5: Solve for x
    x = 8,136,720,274,335,957/100,845,489.24
  6. Step 6: Final answer
    x = 80,685,019.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.