Home / 158,515,224.90-218,752,783.76-87,952,112.76

Finding the Fourth Proportional to 158,515,224.90, 218,752,783.76 and 87,952,112.76

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Solution

The fourth proportional to 158,515,224.90, 218,752,783.76 and 87,952,112.76 is: 121,374,899.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,515,224.90 : 218,752,783.76 = 87,952,112.76 : x
  2. Step 2: Convert to fraction form
    158,515,224.90/218,752,783.76 = 87,952,112.76/x
  3. Step 3: Cross multiply
    158,515,224.90x = 218,752,783.76 × 87,952,112.76
  4. Step 4: Simplify right side
    158,515,224.90x = 19,239,769,503,823,416
  5. Step 5: Solve for x
    x = 19,239,769,503,823,416/158,515,224.90
  6. Step 6: Final answer
    x = 121,374,899.58

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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.