Home / 347,746,313.20-521,619,469.80-166,347,785.20

Finding the Fourth Proportional to 347,746,313.20, 521,619,469.80 and 166,347,785.20

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Solution

The fourth proportional to 347,746,313.20, 521,619,469.80 and 166,347,785.20 is: 249,521,677.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,746,313.20 : 521,619,469.80 = 166,347,785.20 : x
  2. Step 2: Convert to fraction form
    347,746,313.20/521,619,469.80 = 166,347,785.20/x
  3. Step 3: Cross multiply
    347,746,313.20x = 521,619,469.80 × 166,347,785.20
  4. Step 4: Simplify right side
    347,746,313.20x = 86,770,243,518,428,288
  5. Step 5: Solve for x
    x = 86,770,243,518,428,288/347,746,313.20
  6. Step 6: Final answer
    x = 249,521,677.80

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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.