Home / 108,666,111.34-162,978,371.67-42,192,541.59

Finding the Fourth Proportional to 108,666,111.34, 162,978,371.67 and 42,192,541.59

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Solution

The fourth proportional to 108,666,111.34, 162,978,371.67 and 42,192,541.59 is: 63,280,738.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,666,111.34 : 162,978,371.67 = 42,192,541.59 : x
  2. Step 2: Convert to fraction form
    108,666,111.34/162,978,371.67 = 42,192,541.59/x
  3. Step 3: Cross multiply
    108,666,111.34x = 162,978,371.67 × 42,192,541.59
  4. Step 4: Simplify right side
    108,666,111.34x = 6,876,471,724,504,006
  5. Step 5: Solve for x
    x = 6,876,471,724,504,006/108,666,111.34
  6. Step 6: Final answer
    x = 63,280,738.03

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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.