Home / 221,622,994.66-305,870,113.56-127,535,207.44

Finding the Fourth Proportional to 221,622,994.66, 305,870,113.56 and 127,535,207.44

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Solution

The fourth proportional to 221,622,994.66, 305,870,113.56 and 127,535,207.44 is: 176,016,069.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,622,994.66 : 305,870,113.56 = 127,535,207.44 : x
  2. Step 2: Convert to fraction form
    221,622,994.66/305,870,113.56 = 127,535,207.44/x
  3. Step 3: Cross multiply
    221,622,994.66x = 305,870,113.56 × 127,535,207.44
  4. Step 4: Simplify right side
    221,622,994.66x = 39,009,208,382,570,960
  5. Step 5: Solve for x
    x = 39,009,208,382,570,960/221,622,994.66
  6. Step 6: Final answer
    x = 176,016,069.28

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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.