Home / 256,244,415.62-353,615,532.98-138,767,057.51

Finding the Fourth Proportional to 256,244,415.62, 353,615,532.98 and 138,767,057.51

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Solution

The fourth proportional to 256,244,415.62, 353,615,532.98 and 138,767,057.51 is: 191,497,585.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,244,415.62 : 353,615,532.98 = 138,767,057.51 : x
  2. Step 2: Convert to fraction form
    256,244,415.62/353,615,532.98 = 138,767,057.51/x
  3. Step 3: Cross multiply
    256,244,415.62x = 353,615,532.98 × 138,767,057.51
  4. Step 4: Simplify right side
    256,244,415.62x = 49,070,186,999,003,048
  5. Step 5: Solve for x
    x = 49,070,186,999,003,048/256,244,415.62
  6. Step 6: Final answer
    x = 191,497,585.93

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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.