Home / 81,650,829.60-122,308,282.80-41,284,058.40

Finding the Fourth Proportional to 81,650,829.60, 122,308,282.80 and 41,284,058.40

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Solution

The fourth proportional to 81,650,829.60, 122,308,282.80 and 41,284,058.40 is: 61,841,163.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,650,829.60 : 122,308,282.80 = 41,284,058.40 : x
  2. Step 2: Convert to fraction form
    81,650,829.60/122,308,282.80 = 41,284,058.40/x
  3. Step 3: Cross multiply
    81,650,829.60x = 122,308,282.80 × 41,284,058.40
  4. Step 4: Simplify right side
    81,650,829.60x = 5,049,382,289,918,915
  5. Step 5: Solve for x
    x = 5,049,382,289,918,915/81,650,829.60
  6. Step 6: Final answer
    x = 61,841,163.34

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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.