Home / 110,655,381.45-165,991,043.78-42,498,073.20

Finding the Fourth Proportional to 110,655,381.45, 165,991,043.78 and 42,498,073.20

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Solution

The fourth proportional to 110,655,381.45, 165,991,043.78 and 42,498,073.20 is: 63,750,171.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,655,381.45 : 165,991,043.78 = 42,498,073.20 : x
  2. Step 2: Convert to fraction form
    110,655,381.45/165,991,043.78 = 42,498,073.20/x
  3. Step 3: Cross multiply
    110,655,381.45x = 165,991,043.78 × 42,498,073.20
  4. Step 4: Simplify right side
    110,655,381.45x = 7,054,299,529,676,189
  5. Step 5: Solve for x
    x = 7,054,299,529,676,189/110,655,381.45
  6. Step 6: Final answer
    x = 63,750,171.36

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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.