Home / 101,261,412.96-139,741,420.77-54,851,666.46

Finding the Fourth Proportional to 101,261,412.96, 139,741,420.77 and 54,851,666.46

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Solution

The fourth proportional to 101,261,412.96, 139,741,420.77 and 54,851,666.46 is: 75,695,663.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,261,412.96 : 139,741,420.77 = 54,851,666.46 : x
  2. Step 2: Convert to fraction form
    101,261,412.96/139,741,420.77 = 54,851,666.46/x
  3. Step 3: Cross multiply
    101,261,412.96x = 139,741,420.77 × 54,851,666.46
  4. Step 4: Simplify right side
    101,261,412.96x = 7,665,049,802,722,557
  5. Step 5: Solve for x
    x = 7,665,049,802,722,557/101,261,412.96
  6. Step 6: Final answer
    x = 75,695,663.12

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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.