Home / 247,072,390.48-340,958,859.60-137,064,103.48

Finding the Fourth Proportional to 247,072,390.48, 340,958,859.60 and 137,064,103.48

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Solution

The fourth proportional to 247,072,390.48, 340,958,859.60 and 137,064,103.48 is: 189,147,886.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,072,390.48 : 340,958,859.60 = 137,064,103.48 : x
  2. Step 2: Convert to fraction form
    247,072,390.48/340,958,859.60 = 137,064,103.48/x
  3. Step 3: Cross multiply
    247,072,390.48x = 340,958,859.60 × 137,064,103.48
  4. Step 4: Simplify right side
    247,072,390.48x = 46,733,220,414,637,192
  5. Step 5: Solve for x
    x = 46,733,220,414,637,192/247,072,390.48
  6. Step 6: Final answer
    x = 189,147,886.27

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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.