Home / 171,045,780.80-236,045,027.21-100,484,365.28

Finding the Fourth Proportional to 171,045,780.80, 236,045,027.21 and 100,484,365.28

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Solution

The fourth proportional to 171,045,780.80, 236,045,027.21 and 100,484,365.28 is: 138,669,510.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,045,780.80 : 236,045,027.21 = 100,484,365.28 : x
  2. Step 2: Convert to fraction form
    171,045,780.80/236,045,027.21 = 100,484,365.28/x
  3. Step 3: Cross multiply
    171,045,780.80x = 236,045,027.21 × 100,484,365.28
  4. Step 4: Simplify right side
    171,045,780.80x = 23,718,834,735,014,536
  5. Step 5: Solve for x
    x = 23,718,834,735,014,536/171,045,780.80
  6. Step 6: Final answer
    x = 138,669,510.73

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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.