Home / 82,558,445.40-123,837,230.70-21,147,485.40

Finding the Fourth Proportional to 82,558,445.40, 123,837,230.70 and 21,147,485.40

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Solution

The fourth proportional to 82,558,445.40, 123,837,230.70 and 21,147,485.40 is: 31,721,116.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,558,445.40 : 123,837,230.70 = 21,147,485.40 : x
  2. Step 2: Convert to fraction form
    82,558,445.40/123,837,230.70 = 21,147,485.40/x
  3. Step 3: Cross multiply
    82,558,445.40x = 123,837,230.70 × 21,147,485.40
  4. Step 4: Simplify right side
    82,558,445.40x = 2,618,846,028,204,681.50
  5. Step 5: Solve for x
    x = 2,618,846,028,204,681.50/82,558,445.40
  6. Step 6: Final answer
    x = 31,721,116.06

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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.