Home / 113,115,534.42-169,437,889.71-71,971,163.22

Finding the Fourth Proportional to 113,115,534.42, 169,437,889.71 and 71,971,163.22

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Solution

The fourth proportional to 113,115,534.42, 169,437,889.71 and 71,971,163.22 is: 107,806,961.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,115,534.42 : 169,437,889.71 = 71,971,163.22 : x
  2. Step 2: Convert to fraction form
    113,115,534.42/169,437,889.71 = 71,971,163.22/x
  3. Step 3: Cross multiply
    113,115,534.42x = 169,437,889.71 × 71,971,163.22
  4. Step 4: Simplify right side
    113,115,534.42x = 12,194,642,015,970,768
  5. Step 5: Solve for x
    x = 12,194,642,015,970,768/113,115,534.42
  6. Step 6: Final answer
    x = 107,806,961.07

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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.