Home / 76,121,418.40-105,047,659.29-41,314,109.34

Finding the Fourth Proportional to 76,121,418.40, 105,047,659.29 and 41,314,109.34

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Solution

The fourth proportional to 76,121,418.40, 105,047,659.29 and 41,314,109.34 is: 57,013,526.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,121,418.40 : 105,047,659.29 = 41,314,109.34 : x
  2. Step 2: Convert to fraction form
    76,121,418.40/105,047,659.29 = 41,314,109.34/x
  3. Step 3: Cross multiply
    76,121,418.40x = 105,047,659.29 × 41,314,109.34
  4. Step 4: Simplify right side
    76,121,418.40x = 4,339,950,481,818,127.50
  5. Step 5: Solve for x
    x = 4,339,950,481,818,127.50/76,121,418.40
  6. Step 6: Final answer
    x = 57,013,526.19

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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.