Home / 53,390,149.36-73,678,986.26-31,364,577.12

Finding the Fourth Proportional to 53,390,149.36, 73,678,986.26 and 31,364,577.12

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Solution

The fourth proportional to 53,390,149.36, 73,678,986.26 and 31,364,577.12 is: 43,283,457.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,390,149.36 : 73,678,986.26 = 31,364,577.12 : x
  2. Step 2: Convert to fraction form
    53,390,149.36/73,678,986.26 = 31,364,577.12/x
  3. Step 3: Cross multiply
    53,390,149.36x = 73,678,986.26 × 31,364,577.12
  4. Step 4: Simplify right side
    53,390,149.36x = 2,310,910,246,675,190.50
  5. Step 5: Solve for x
    x = 2,310,910,246,675,190.50/53,390,149.36
  6. Step 6: Final answer
    x = 43,283,457.24

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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.