Home / 142,574,142.64-196,718,580.46-80,694,483.04

Finding the Fourth Proportional to 142,574,142.64, 196,718,580.46 and 80,694,483.04

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Solution

The fourth proportional to 142,574,142.64, 196,718,580.46 and 80,694,483.04 is: 111,339,292.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,574,142.64 : 196,718,580.46 = 80,694,483.04 : x
  2. Step 2: Convert to fraction form
    142,574,142.64/196,718,580.46 = 80,694,483.04/x
  3. Step 3: Cross multiply
    142,574,142.64x = 196,718,580.46 × 80,694,483.04
  4. Step 4: Simplify right side
    142,574,142.64x = 15,874,104,154,582,348
  5. Step 5: Solve for x
    x = 15,874,104,154,582,348/142,574,142.64
  6. Step 6: Final answer
    x = 111,339,292.39

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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.