Home / 250,512,356.96-375,678,431.04-86,705,648.72

Finding the Fourth Proportional to 250,512,356.96, 375,678,431.04 and 86,705,648.72

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Solution

The fourth proportional to 250,512,356.96, 375,678,431.04 and 86,705,648.72 is: 130,027,286.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,512,356.96 : 375,678,431.04 = 86,705,648.72 : x
  2. Step 2: Convert to fraction form
    250,512,356.96/375,678,431.04 = 86,705,648.72/x
  3. Step 3: Cross multiply
    250,512,356.96x = 375,678,431.04 × 86,705,648.72
  4. Step 4: Simplify right side
    250,512,356.96x = 32,573,442,073,434,984
  5. Step 5: Solve for x
    x = 32,573,442,073,434,984/250,512,356.96
  6. Step 6: Final answer
    x = 130,027,286.75

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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.