Home / 47,804,561.70-71,706,842.55-43,818,754.20

Finding the Fourth Proportional to 47,804,561.70, 71,706,842.55 and 43,818,754.20

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Solution

The fourth proportional to 47,804,561.70, 71,706,842.55 and 43,818,754.20 is: 65,728,131.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,804,561.70 : 71,706,842.55 = 43,818,754.20 : x
  2. Step 2: Convert to fraction form
    47,804,561.70/71,706,842.55 = 43,818,754.20/x
  3. Step 3: Cross multiply
    47,804,561.70x = 71,706,842.55 × 43,818,754.20
  4. Step 4: Simplify right side
    47,804,561.70x = 3,142,104,508,156,551.50
  5. Step 5: Solve for x
    x = 3,142,104,508,156,551.50/47,804,561.70
  6. Step 6: Final answer
    x = 65,728,131.30

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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.