Home / 101,361,881.25-139,994,869.73-68,710,146.21

Finding the Fourth Proportional to 101,361,881.25, 139,994,869.73 and 68,710,146.21

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Solution

The fourth proportional to 101,361,881.25, 139,994,869.73 and 68,710,146.21 is: 94,898,277.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,361,881.25 : 139,994,869.73 = 68,710,146.21 : x
  2. Step 2: Convert to fraction form
    101,361,881.25/139,994,869.73 = 68,710,146.21/x
  3. Step 3: Cross multiply
    101,361,881.25x = 139,994,869.73 × 68,710,146.21
  4. Step 4: Simplify right side
    101,361,881.25x = 9,619,067,967,454,652
  5. Step 5: Solve for x
    x = 9,619,067,967,454,652/101,361,881.25
  6. Step 6: Final answer
    x = 94,898,277.82

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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.