Home / 149,430,182.40-206,182,298.88-90,723,754.08

Finding the Fourth Proportional to 149,430,182.40, 206,182,298.88 and 90,723,754.08

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Solution

The fourth proportional to 149,430,182.40, 206,182,298.88 and 90,723,754.08 is: 125,179,745.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,430,182.40 : 206,182,298.88 = 90,723,754.08 : x
  2. Step 2: Convert to fraction form
    149,430,182.40/206,182,298.88 = 90,723,754.08/x
  3. Step 3: Cross multiply
    149,430,182.40x = 206,182,298.88 × 90,723,754.08
  4. Step 4: Simplify right side
    149,430,182.40x = 18,705,632,179,238,180
  5. Step 5: Solve for x
    x = 18,705,632,179,238,180/149,430,182.40
  6. Step 6: Final answer
    x = 125,179,745.34

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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.