Home / 123,769,515-170,764,682.94-74,191,799.32

Finding the Fourth Proportional to 123,769,515, 170,764,682.94 and 74,191,799.32

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Solution

The fourth proportional to 123,769,515, 170,764,682.94 and 74,191,799.32 is: 102,362,355.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,769,515 : 170,764,682.94 = 74,191,799.32 : x
  2. Step 2: Convert to fraction form
    123,769,515/170,764,682.94 = 74,191,799.32/x
  3. Step 3: Cross multiply
    123,769,515x = 170,764,682.94 × 74,191,799.32
  4. Step 4: Simplify right side
    123,769,515x = 12,669,339,087,627,906
  5. Step 5: Solve for x
    x = 12,669,339,087,627,906/123,769,515
  6. Step 6: Final answer
    x = 102,362,355.44

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1.5x scale

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.