Home / 223,444,811.19-308,348,997.98-129,362,922.39

Finding the Fourth Proportional to 223,444,811.19, 308,348,997.98 and 129,362,922.39

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Solution

The fourth proportional to 223,444,811.19, 308,348,997.98 and 129,362,922.39 is: 178,518,029.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,444,811.19 : 308,348,997.98 = 129,362,922.39 : x
  2. Step 2: Convert to fraction form
    223,444,811.19/308,348,997.98 = 129,362,922.39/x
  3. Step 3: Cross multiply
    223,444,811.19x = 308,348,997.98 × 129,362,922.39
  4. Step 4: Simplify right side
    223,444,811.19x = 39,888,927,494,074,192
  5. Step 5: Solve for x
    x = 39,888,927,494,074,192/223,444,811.19
  6. Step 6: Final answer
    x = 178,518,029.94

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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.