Home / 258,066,125.40-386,847,245.70-230,856,346.20

Finding the Fourth Proportional to 258,066,125.40, 386,847,245.70 and 230,856,346.20

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Solution

The fourth proportional to 258,066,125.40, 386,847,245.70 and 230,856,346.20 is: 346,059,141.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,066,125.40 : 386,847,245.70 = 230,856,346.20 : x
  2. Step 2: Convert to fraction form
    258,066,125.40/386,847,245.70 = 230,856,346.20/x
  3. Step 3: Cross multiply
    258,066,125.40x = 386,847,245.70 × 230,856,346.20
  4. Step 4: Simplify right side
    258,066,125.40x = 89,306,141,679,835,648
  5. Step 5: Solve for x
    x = 89,306,141,679,835,648/258,066,125.40
  6. Step 6: Final answer
    x = 346,059,141.01

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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.