Home / 128,740,171.23-177,660,210.33-70,002,876.24

Finding the Fourth Proportional to 128,740,171.23, 177,660,210.33 and 70,002,876.24

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Solution

The fourth proportional to 128,740,171.23, 177,660,210.33 and 70,002,876.24 is: 96,603,302.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,740,171.23 : 177,660,210.33 = 70,002,876.24 : x
  2. Step 2: Convert to fraction form
    128,740,171.23/177,660,210.33 = 70,002,876.24/x
  3. Step 3: Cross multiply
    128,740,171.23x = 177,660,210.33 × 70,002,876.24
  4. Step 4: Simplify right side
    128,740,171.23x = 12,436,725,716,503,360
  5. Step 5: Solve for x
    x = 12,436,725,716,503,360/128,740,171.23
  6. Step 6: Final answer
    x = 96,603,302.59

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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.