Home / 128,555,429.40-192,833,144.10-95,818,663.80

Finding the Fourth Proportional to 128,555,429.40, 192,833,144.10 and 95,818,663.80

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Solution

The fourth proportional to 128,555,429.40, 192,833,144.10 and 95,818,663.80 is: 143,727,995.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,555,429.40 : 192,833,144.10 = 95,818,663.80 : x
  2. Step 2: Convert to fraction form
    128,555,429.40/192,833,144.10 = 95,818,663.80/x
  3. Step 3: Cross multiply
    128,555,429.40x = 192,833,144.10 × 95,818,663.80
  4. Step 4: Simplify right side
    128,555,429.40x = 18,477,014,204,014,852
  5. Step 5: Solve for x
    x = 18,477,014,204,014,852/128,555,429.40
  6. Step 6: Final answer
    x = 143,727,995.70

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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.