Home / 78,294,284.80-117,456,551.32-29,768,365.60

Finding the Fourth Proportional to 78,294,284.80, 117,456,551.32 and 29,768,365.60

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Solution

The fourth proportional to 78,294,284.80, 117,456,551.32 and 29,768,365.60 is: 44,658,298.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,294,284.80 : 117,456,551.32 = 29,768,365.60 : x
  2. Step 2: Convert to fraction form
    78,294,284.80/117,456,551.32 = 29,768,365.60/x
  3. Step 3: Cross multiply
    78,294,284.80x = 117,456,551.32 × 29,768,365.60
  4. Step 4: Simplify right side
    78,294,284.80x = 3,496,489,561,808,922.50
  5. Step 5: Solve for x
    x = 3,496,489,561,808,922.50/78,294,284.80
  6. Step 6: Final answer
    x = 44,658,298.76

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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.