Home / 68,950,904.80-103,426,357.20-67,943,135.20

Finding the Fourth Proportional to 68,950,904.80, 103,426,357.20 and 67,943,135.20

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Solution

The fourth proportional to 68,950,904.80, 103,426,357.20 and 67,943,135.20 is: 101,914,702.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,950,904.80 : 103,426,357.20 = 67,943,135.20 : x
  2. Step 2: Convert to fraction form
    68,950,904.80/103,426,357.20 = 67,943,135.20/x
  3. Step 3: Cross multiply
    68,950,904.80x = 103,426,357.20 × 67,943,135.20
  4. Step 4: Simplify right side
    68,950,904.80x = 7,027,110,970,483,094
  5. Step 5: Solve for x
    x = 7,027,110,970,483,094/68,950,904.80
  6. Step 6: Final answer
    x = 101,914,702.80

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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.