Home / 162,184,677.36-223,813,072.44-87,843,390

Finding the Fourth Proportional to 162,184,677.36, 223,813,072.44 and 87,843,390

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Solution

The fourth proportional to 162,184,677.36, 223,813,072.44 and 87,843,390 is: 121,222,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,184,677.36 : 223,813,072.44 = 87,843,390 : x
  2. Step 2: Convert to fraction form
    162,184,677.36/223,813,072.44 = 87,843,390/x
  3. Step 3: Cross multiply
    162,184,677.36x = 223,813,072.44 × 87,843,390
  4. Step 4: Simplify right side
    162,184,677.36x = 19,660,499,009,445,172
  5. Step 5: Solve for x
    x = 19,660,499,009,445,172/162,184,677.36
  6. Step 6: Final answer
    x = 121,222,912.85

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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.