Home / 112,336,378.80-168,504,568.20-91,929,044.40

Finding the Fourth Proportional to 112,336,378.80, 168,504,568.20 and 91,929,044.40

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Solution

The fourth proportional to 112,336,378.80, 168,504,568.20 and 91,929,044.40 is: 137,893,566.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,336,378.80 : 168,504,568.20 = 91,929,044.40 : x
  2. Step 2: Convert to fraction form
    112,336,378.80/168,504,568.20 = 91,929,044.40/x
  3. Step 3: Cross multiply
    112,336,378.80x = 168,504,568.20 × 91,929,044.40
  4. Step 4: Simplify right side
    112,336,378.80x = 15,490,463,931,660,628
  5. Step 5: Solve for x
    x = 15,490,463,931,660,628/112,336,378.80
  6. Step 6: Final answer
    x = 137,893,566.60

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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.