Home / 281,360,495.48-388,279,763.12-155,914,787.04

Finding the Fourth Proportional to 281,360,495.48, 388,279,763.12 and 155,914,787.04

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Solution

The fourth proportional to 281,360,495.48, 388,279,763.12 and 155,914,787.04 is: 215,163,669.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,360,495.48 : 388,279,763.12 = 155,914,787.04 : x
  2. Step 2: Convert to fraction form
    281,360,495.48/388,279,763.12 = 155,914,787.04/x
  3. Step 3: Cross multiply
    281,360,495.48x = 388,279,763.12 × 155,914,787.04
  4. Step 4: Simplify right side
    281,360,495.48x = 60,538,556,578,796,440
  5. Step 5: Solve for x
    x = 60,538,556,578,796,440/281,360,495.48
  6. Step 6: Final answer
    x = 215,163,669.21

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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.