Home / 368,956,117.49-509,159,553.89-201,693,110.90

Finding the Fourth Proportional to 368,956,117.49, 509,159,553.89 and 201,693,110.90

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Solution

The fourth proportional to 368,956,117.49, 509,159,553.89 and 201,693,110.90 is: 278,336,554.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,956,117.49 : 509,159,553.89 = 201,693,110.90 : x
  2. Step 2: Convert to fraction form
    368,956,117.49/509,159,553.89 = 201,693,110.90/x
  3. Step 3: Cross multiply
    368,956,117.49x = 509,159,553.89 × 201,693,110.90
  4. Step 4: Simplify right side
    368,956,117.49x = 102,693,974,364,976,032
  5. Step 5: Solve for x
    x = 102,693,974,364,976,032/368,956,117.49
  6. Step 6: Final answer
    x = 278,336,554.13

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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.