Home / 117,027,919.80-161,607,087.63-87,608,177.10

Finding the Fourth Proportional to 117,027,919.80, 161,607,087.63 and 87,608,177.10

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Solution

The fourth proportional to 117,027,919.80, 161,607,087.63 and 87,608,177.10 is: 120,980,552.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,027,919.80 : 161,607,087.63 = 87,608,177.10 : x
  2. Step 2: Convert to fraction form
    117,027,919.80/161,607,087.63 = 87,608,177.10/x
  3. Step 3: Cross multiply
    117,027,919.80x = 161,607,087.63 × 87,608,177.10
  4. Step 4: Simplify right side
    117,027,919.80x = 14,158,102,353,704,258
  5. Step 5: Solve for x
    x = 14,158,102,353,704,258/117,027,919.80
  6. Step 6: Final answer
    x = 120,980,552.14

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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.