Home / 136,293,111.24-188,081,938.94-83,365,930.94

Finding the Fourth Proportional to 136,293,111.24, 188,081,938.94 and 83,365,930.94

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Solution

The fourth proportional to 136,293,111.24, 188,081,938.94 and 83,365,930.94 is: 115,043,422.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,293,111.24 : 188,081,938.94 = 83,365,930.94 : x
  2. Step 2: Convert to fraction form
    136,293,111.24/188,081,938.94 = 83,365,930.94/x
  3. Step 3: Cross multiply
    136,293,111.24x = 188,081,938.94 × 83,365,930.94
  4. Step 4: Simplify right side
    136,293,111.24x = 15,679,625,933,411,956
  5. Step 5: Solve for x
    x = 15,679,625,933,411,956/136,293,111.24
  6. Step 6: Final answer
    x = 115,043,422.15

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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.