Home / 206,969,018.16-310,453,527.52-84,118,552.96

Finding the Fourth Proportional to 206,969,018.16, 310,453,527.52 and 84,118,552.96

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Solution

The fourth proportional to 206,969,018.16, 310,453,527.52 and 84,118,552.96 is: 126,177,829.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,969,018.16 : 310,453,527.52 = 84,118,552.96 : x
  2. Step 2: Convert to fraction form
    206,969,018.16/310,453,527.52 = 84,118,552.96/x
  3. Step 3: Cross multiply
    206,969,018.16x = 310,453,527.52 × 84,118,552.96
  4. Step 4: Simplify right side
    206,969,018.16x = 26,114,901,496,309,932
  5. Step 5: Solve for x
    x = 26,114,901,496,309,932/206,969,018.16
  6. Step 6: Final answer
    x = 126,177,829.55

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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.