Home / 205,606,297.81-308,410,496.47-69,292,862.29

Finding the Fourth Proportional to 205,606,297.81, 308,410,496.47 and 69,292,862.29

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Solution

The fourth proportional to 205,606,297.81, 308,410,496.47 and 69,292,862.29 is: 103,939,647.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,606,297.81 : 308,410,496.47 = 69,292,862.29 : x
  2. Step 2: Convert to fraction form
    205,606,297.81/308,410,496.47 = 69,292,862.29/x
  3. Step 3: Cross multiply
    205,606,297.81x = 308,410,496.47 × 69,292,862.29
  4. Step 4: Simplify right side
    205,606,297.81x = 21,370,646,059,228,152
  5. Step 5: Solve for x
    x = 21,370,646,059,228,152/205,606,297.81
  6. Step 6: Final answer
    x = 103,939,647.22

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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.