Home / 101,361,883.25-139,994,872.49-68,710,148.21

Finding the Fourth Proportional to 101,361,883.25, 139,994,872.49 and 68,710,148.21

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Solution

The fourth proportional to 101,361,883.25, 139,994,872.49 and 68,710,148.21 is: 94,898,280.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,361,883.25 : 139,994,872.49 = 68,710,148.21 : x
  2. Step 2: Convert to fraction form
    101,361,883.25/139,994,872.49 = 68,710,148.21/x
  3. Step 3: Cross multiply
    101,361,883.25x = 139,994,872.49 × 68,710,148.21
  4. Step 4: Simplify right side
    101,361,883.25x = 9,619,068,437,427,952
  5. Step 5: Solve for x
    x = 9,619,068,437,427,952/101,361,883.25
  6. Step 6: Final answer
    x = 94,898,280.59

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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.