Home / 222,932,616.63-307,629,010.35-128,852,858.04

Finding the Fourth Proportional to 222,932,616.63, 307,629,010.35 and 128,852,858.04

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Solution

The fourth proportional to 222,932,616.63, 307,629,010.35 and 128,852,858.04 is: 177,806,539.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,932,616.63 : 307,629,010.35 = 128,852,858.04 : x
  2. Step 2: Convert to fraction form
    222,932,616.63/307,629,010.35 = 128,852,858.04/x
  3. Step 3: Cross multiply
    222,932,616.63x = 307,629,010.35 × 128,852,858.04
  4. Step 4: Simplify right side
    222,932,616.63x = 39,638,877,199,614,248
  5. Step 5: Solve for x
    x = 39,638,877,199,614,248/222,932,616.63
  6. Step 6: Final answer
    x = 177,806,539.93

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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.