Home / 274,458,547.20-378,765,146.88-164,447,896.32

Finding the Fourth Proportional to 274,458,547.20, 378,765,146.88 and 164,447,896.32

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Solution

The fourth proportional to 274,458,547.20, 378,765,146.88 and 164,447,896.32 is: 226,945,497.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,458,547.20 : 378,765,146.88 = 164,447,896.32 : x
  2. Step 2: Convert to fraction form
    274,458,547.20/378,765,146.88 = 164,447,896.32/x
  3. Step 3: Cross multiply
    274,458,547.20x = 378,765,146.88 × 164,447,896.32
  4. Step 4: Simplify right side
    274,458,547.20x = 62,287,131,603,751,808
  5. Step 5: Solve for x
    x = 62,287,131,603,751,808/274,458,547.20
  6. Step 6: Final answer
    x = 226,945,497.74

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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.