Home / 116,846,988.23-161,234,794.40-67,303,474.82

Finding the Fourth Proportional to 116,846,988.23, 161,234,794.40 and 67,303,474.82

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Solution

The fourth proportional to 116,846,988.23, 161,234,794.40 and 67,303,474.82 is: 92,870,702.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,846,988.23 : 161,234,794.40 = 67,303,474.82 : x
  2. Step 2: Convert to fraction form
    116,846,988.23/161,234,794.40 = 67,303,474.82/x
  3. Step 3: Cross multiply
    116,846,988.23x = 161,234,794.40 × 67,303,474.82
  4. Step 4: Simplify right side
    116,846,988.23x = 10,851,661,923,865,586
  5. Step 5: Solve for x
    x = 10,851,661,923,865,586/116,846,988.23
  6. Step 6: Final answer
    x = 92,870,702.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.