Home / 77,443,161.06-106,867,505.48-42,629,051.64

Finding the Fourth Proportional to 77,443,161.06, 106,867,505.48 and 42,629,051.64

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Solution

The fourth proportional to 77,443,161.06, 106,867,505.48 and 42,629,051.64 is: 58,825,858.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,443,161.06 : 106,867,505.48 = 42,629,051.64 : x
  2. Step 2: Convert to fraction form
    77,443,161.06/106,867,505.48 = 42,629,051.64/x
  3. Step 3: Cross multiply
    77,443,161.06x = 106,867,505.48 × 42,629,051.64
  4. Step 4: Simplify right side
    77,443,161.06x = 4,555,660,409,744,903
  5. Step 5: Solve for x
    x = 4,555,660,409,744,903/77,443,161.06
  6. Step 6: Final answer
    x = 58,825,858.18

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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.