Home / 55,378,312.20-76,425,670.26-30,598,502.04

Finding the Fourth Proportional to 55,378,312.20, 76,425,670.26 and 30,598,502.04

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Solution

The fourth proportional to 55,378,312.20, 76,425,670.26 and 30,598,502.04 is: 42,227,921.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,378,312.20 : 76,425,670.26 = 30,598,502.04 : x
  2. Step 2: Convert to fraction form
    55,378,312.20/76,425,670.26 = 30,598,502.04/x
  3. Step 3: Cross multiply
    55,378,312.20x = 76,425,670.26 × 30,598,502.04
  4. Step 4: Simplify right side
    55,378,312.20x = 2,338,511,027,358,977.50
  5. Step 5: Solve for x
    x = 2,338,511,027,358,977.50/55,378,312.20
  6. Step 6: Final answer
    x = 42,227,921.63

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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.