Home / 112,746,055.50-155,586,910.32-66,339,315.18

Finding the Fourth Proportional to 112,746,055.50, 155,586,910.32 and 66,339,315.18

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Solution

The fourth proportional to 112,746,055.50, 155,586,910.32 and 66,339,315.18 is: 91,546,697.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,746,055.50 : 155,586,910.32 = 66,339,315.18 : x
  2. Step 2: Convert to fraction form
    112,746,055.50/155,586,910.32 = 66,339,315.18/x
  3. Step 3: Cross multiply
    112,746,055.50x = 155,586,910.32 × 66,339,315.18
  4. Step 4: Simplify right side
    112,746,055.50x = 10,321,529,081,600,874
  5. Step 5: Solve for x
    x = 10,321,529,081,600,874/112,746,055.50
  6. Step 6: Final answer
    x = 91,546,697.89

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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.