Home / 54,957,036.56-82,441,533.72-20,409,385.76

Finding the Fourth Proportional to 54,957,036.56, 82,441,533.72 and 20,409,385.76

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Solution

The fourth proportional to 54,957,036.56, 82,441,533.72 and 20,409,385.76 is: 30,616,299.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,957,036.56 : 82,441,533.72 = 20,409,385.76 : x
  2. Step 2: Convert to fraction form
    54,957,036.56/82,441,533.72 = 20,409,385.76/x
  3. Step 3: Cross multiply
    54,957,036.56x = 82,441,533.72 × 20,409,385.76
  4. Step 4: Simplify right side
    54,957,036.56x = 1,682,581,064,337,528
  5. Step 5: Solve for x
    x = 1,682,581,064,337,528/54,957,036.56
  6. Step 6: Final answer
    x = 30,616,299.02

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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.