Home / 274,025,774.20-411,038,661.30-128,743,090.83

Finding the Fourth Proportional to 274,025,774.20, 411,038,661.30 and 128,743,090.83

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Solution

The fourth proportional to 274,025,774.20, 411,038,661.30 and 128,743,090.83 is: 193,114,636.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,025,774.20 : 411,038,661.30 = 128,743,090.83 : x
  2. Step 2: Convert to fraction form
    274,025,774.20/411,038,661.30 = 128,743,090.83/x
  3. Step 3: Cross multiply
    274,025,774.20x = 411,038,661.30 × 128,743,090.83
  4. Step 4: Simplify right side
    274,025,774.20x = 52,918,387,706,387,504
  5. Step 5: Solve for x
    x = 52,918,387,706,387,504/274,025,774.20
  6. Step 6: Final answer
    x = 193,114,636.25

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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.