Home / 268,024,076.40-402,036,114.60-114,685,633.20

Finding the Fourth Proportional to 268,024,076.40, 402,036,114.60 and 114,685,633.20

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Solution

The fourth proportional to 268,024,076.40, 402,036,114.60 and 114,685,633.20 is: 172,028,449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,024,076.40 : 402,036,114.60 = 114,685,633.20 : x
  2. Step 2: Convert to fraction form
    268,024,076.40/402,036,114.60 = 114,685,633.20/x
  3. Step 3: Cross multiply
    268,024,076.40x = 402,036,114.60 × 114,685,633.20
  4. Step 4: Simplify right side
    268,024,076.40x = 46,107,766,372,168,768
  5. Step 5: Solve for x
    x = 46,107,766,372,168,768/268,024,076.40
  6. Step 6: Final answer
    x = 172,028,449.80

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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.