Home / 100,922,943.60-139,273,717.86-54,513,197.46

Finding the Fourth Proportional to 100,922,943.60, 139,273,717.86 and 54,513,197.46

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Solution

The fourth proportional to 100,922,943.60, 139,273,717.86 and 54,513,197.46 is: 75,228,242.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,922,943.60 : 139,273,717.86 = 54,513,197.46 : x
  2. Step 2: Convert to fraction form
    100,922,943.60/139,273,717.86 = 54,513,197.46/x
  3. Step 3: Cross multiply
    100,922,943.60x = 139,273,717.86 × 54,513,197.46
  4. Step 4: Simplify right side
    100,922,943.60x = 7,592,255,682,690,510
  5. Step 5: Solve for x
    x = 7,592,255,682,690,510/100,922,943.60
  6. Step 6: Final answer
    x = 75,228,242.58

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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.