Home / 118,317,704.40-163,286,881.16-65,393,274.78

Finding the Fourth Proportional to 118,317,704.40, 163,286,881.16 and 65,393,274.78

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Solution

The fourth proportional to 118,317,704.40, 163,286,881.16 and 65,393,274.78 is: 90,247,388.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,317,704.40 : 163,286,881.16 = 65,393,274.78 : x
  2. Step 2: Convert to fraction form
    118,317,704.40/163,286,881.16 = 65,393,274.78/x
  3. Step 3: Cross multiply
    118,317,704.40x = 163,286,881.16 × 65,393,274.78
  4. Step 4: Simplify right side
    118,317,704.40x = 10,677,863,887,338,120
  5. Step 5: Solve for x
    x = 10,677,863,887,338,120/118,317,704.40
  6. Step 6: Final answer
    x = 90,247,388.94

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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.