Home / 101,909,243.20-140,646,372.96-60,656,267.20

Finding the Fourth Proportional to 101,909,243.20, 140,646,372.96 and 60,656,267.20

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Solution

The fourth proportional to 101,909,243.20, 140,646,372.96 and 60,656,267.20 is: 83,712,563.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,909,243.20 : 140,646,372.96 = 60,656,267.20 : x
  2. Step 2: Convert to fraction form
    101,909,243.20/140,646,372.96 = 60,656,267.20/x
  3. Step 3: Cross multiply
    101,909,243.20x = 140,646,372.96 × 60,656,267.20
  4. Step 4: Simplify right side
    101,909,243.20x = 8,531,083,978,972,616
  5. Step 5: Solve for x
    x = 8,531,083,978,972,616/101,909,243.20
  6. Step 6: Final answer
    x = 83,712,563.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.