Home / 188,213,538.20-282,420,617.70-73,201,832.60

Finding the Fourth Proportional to 188,213,538.20, 282,420,617.70 and 73,201,832.60

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Solution

The fourth proportional to 188,213,538.20, 282,420,617.70 and 73,201,832.60 is: 109,841,762.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,213,538.20 : 282,420,617.70 = 73,201,832.60 : x
  2. Step 2: Convert to fraction form
    188,213,538.20/282,420,617.70 = 73,201,832.60/x
  3. Step 3: Cross multiply
    188,213,538.20x = 282,420,617.70 × 73,201,832.60
  4. Step 4: Simplify right side
    188,213,538.20x = 20,673,706,779,663,996
  5. Step 5: Solve for x
    x = 20,673,706,779,663,996/188,213,538.20
  6. Step 6: Final answer
    x = 109,841,762.59

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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.