Home / 117,027,922.05-161,607,090.74-87,608,179.35

Finding the Fourth Proportional to 117,027,922.05, 161,607,090.74 and 87,608,179.35

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Solution

The fourth proportional to 117,027,922.05, 161,607,090.74 and 87,608,179.35 is: 120,980,555.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,027,922.05 : 161,607,090.74 = 87,608,179.35 : x
  2. Step 2: Convert to fraction form
    117,027,922.05/161,607,090.74 = 87,608,179.35/x
  3. Step 3: Cross multiply
    117,027,922.05x = 161,607,090.74 × 87,608,179.35
  4. Step 4: Simplify right side
    117,027,922.05x = 14,158,102,989,343,604
  5. Step 5: Solve for x
    x = 14,158,102,989,343,604/117,027,922.05
  6. Step 6: Final answer
    x = 120,980,555.25

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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.