Home / 238,383,485.40-357,575,228.10-206,071,872.60

Finding the Fourth Proportional to 238,383,485.40, 357,575,228.10 and 206,071,872.60

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Solution

The fourth proportional to 238,383,485.40, 357,575,228.10 and 206,071,872.60 is: 309,107,808.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,383,485.40 : 357,575,228.10 = 206,071,872.60 : x
  2. Step 2: Convert to fraction form
    238,383,485.40/357,575,228.10 = 206,071,872.60/x
  3. Step 3: Cross multiply
    238,383,485.40x = 357,575,228.10 × 206,071,872.60
  4. Step 4: Simplify right side
    238,383,485.40x = 73,686,196,849,939,136
  5. Step 5: Solve for x
    x = 73,686,196,849,939,136/238,383,485.40
  6. Step 6: Final answer
    x = 309,107,808.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.