Home / 78,052,160.80-117,032,859.15-29,533,762.63

Finding the Fourth Proportional to 78,052,160.80, 117,032,859.15 and 29,533,762.63

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Solution

The fourth proportional to 78,052,160.80, 117,032,859.15 and 29,533,762.63 is: 44,283,472.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,052,160.80 : 117,032,859.15 = 29,533,762.63 : x
  2. Step 2: Convert to fraction form
    78,052,160.80/117,032,859.15 = 29,533,762.63/x
  3. Step 3: Cross multiply
    78,052,160.80x = 117,032,859.15 × 29,533,762.63
  4. Step 4: Simplify right side
    78,052,160.80x = 3,456,420,682,046,323.50
  5. Step 5: Solve for x
    x = 3,456,420,682,046,323.50/78,052,160.80
  6. Step 6: Final answer
    x = 44,283,472.06

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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.