Home / 281,182,106.03-388,001,766.02-155,731,015.64

Finding the Fourth Proportional to 281,182,106.03, 388,001,766.02 and 155,731,015.64

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Solution

The fourth proportional to 281,182,106.03, 388,001,766.02 and 155,731,015.64 is: 214,892,440.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,182,106.03 : 388,001,766.02 = 155,731,015.64 : x
  2. Step 2: Convert to fraction form
    281,182,106.03/388,001,766.02 = 155,731,015.64/x
  3. Step 3: Cross multiply
    281,182,106.03x = 388,001,766.02 × 155,731,015.64
  4. Step 4: Simplify right side
    281,182,106.03x = 60,423,909,090,078,896
  5. Step 5: Solve for x
    x = 60,423,909,090,078,896/281,182,106.03
  6. Step 6: Final answer
    x = 214,892,440.86

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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.