Home / 281,194,422.48-388,043,968.68-157,439,528.28

Finding the Fourth Proportional to 281,194,422.48, 388,043,968.68 and 157,439,528.28

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Solution

The fourth proportional to 281,194,422.48, 388,043,968.68 and 157,439,528.28 is: 217,264,122.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,194,422.48 : 388,043,968.68 = 157,439,528.28 : x
  2. Step 2: Convert to fraction form
    281,194,422.48/388,043,968.68 = 157,439,528.28/x
  3. Step 3: Cross multiply
    281,194,422.48x = 388,043,968.68 × 157,439,528.28
  4. Step 4: Simplify right side
    281,194,422.48x = 61,093,459,380,878,296
  5. Step 5: Solve for x
    x = 61,093,459,380,878,296/281,194,422.48
  6. Step 6: Final answer
    x = 217,264,122.25

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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.