Home / 144,586,262.82-199,526,999.79-81,860,742.18

Finding the Fourth Proportional to 144,586,262.82, 199,526,999.79 and 81,860,742.18

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Solution

The fourth proportional to 144,586,262.82, 199,526,999.79 and 81,860,742.18 is: 112,966,667.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,586,262.82 : 199,526,999.79 = 81,860,742.18 : x
  2. Step 2: Convert to fraction form
    144,586,262.82/199,526,999.79 = 81,860,742.18/x
  3. Step 3: Cross multiply
    144,586,262.82x = 199,526,999.79 × 81,860,742.18
  4. Step 4: Simplify right side
    144,586,262.82x = 16,333,428,287,758,104
  5. Step 5: Solve for x
    x = 16,333,428,287,758,104/144,586,262.82
  6. Step 6: Final answer
    x = 112,966,667.57

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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.