Home / 166,028,726.40-248,371,243.20-145,873,334.40

Finding the Fourth Proportional to 166,028,726.40, 248,371,243.20 and 145,873,334.40

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Solution

The fourth proportional to 166,028,726.40, 248,371,243.20 and 145,873,334.40 is: 218,219,715.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,028,726.40 : 248,371,243.20 = 145,873,334.40 : x
  2. Step 2: Convert to fraction form
    166,028,726.40/248,371,243.20 = 145,873,334.40/x
  3. Step 3: Cross multiply
    166,028,726.40x = 248,371,243.20 × 145,873,334.40
  4. Step 4: Simplify right side
    166,028,726.40x = 36,230,741,414,657,328
  5. Step 5: Solve for x
    x = 36,230,741,414,657,328/166,028,726.40
  6. Step 6: Final answer
    x = 218,219,715.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.