Home / 111,228,116.41-166,938,227.66-77,173,377.13

Finding the Fourth Proportional to 111,228,116.41, 166,938,227.66 and 77,173,377.13

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Solution

The fourth proportional to 111,228,116.41, 166,938,227.66 and 77,173,377.13 is: 115,826,710.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,228,116.41 : 166,938,227.66 = 77,173,377.13 : x
  2. Step 2: Convert to fraction form
    111,228,116.41/166,938,227.66 = 77,173,377.13/x
  3. Step 3: Cross multiply
    111,228,116.41x = 166,938,227.66 × 77,173,377.13
  4. Step 4: Simplify right side
    111,228,116.41x = 12,883,186,800,618,976
  5. Step 5: Solve for x
    x = 12,883,186,800,618,976/111,228,116.41
  6. Step 6: Final answer
    x = 115,826,710.16

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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.