Home / 112,746,063.52-155,586,921.36-66,339,323.20

Finding the Fourth Proportional to 112,746,063.52, 155,586,921.36 and 66,339,323.20

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Solution

The fourth proportional to 112,746,063.52, 155,586,921.36 and 66,339,323.20 is: 91,546,708.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,746,063.52 : 155,586,921.36 = 66,339,323.20 : x
  2. Step 2: Convert to fraction form
    112,746,063.52/155,586,921.36 = 66,339,323.20/x
  3. Step 3: Cross multiply
    112,746,063.52x = 155,586,921.36 × 66,339,323.20
  4. Step 4: Simplify right side
    112,746,063.52x = 10,321,531,061,794,024
  5. Step 5: Solve for x
    x = 10,321,531,061,794,024/112,746,063.52
  6. Step 6: Final answer
    x = 91,546,708.95

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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.