Home / 240,588,645.80-331,955,427.44-136,166,717.12

Finding the Fourth Proportional to 240,588,645.80, 331,955,427.44 and 136,166,717.12

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Solution

The fourth proportional to 240,588,645.80, 331,955,427.44 and 136,166,717.12 is: 187,877,863.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,588,645.80 : 331,955,427.44 = 136,166,717.12 : x
  2. Step 2: Convert to fraction form
    240,588,645.80/331,955,427.44 = 136,166,717.12/x
  3. Step 3: Cross multiply
    240,588,645.80x = 331,955,427.44 × 136,166,717.12
  4. Step 4: Simplify right side
    240,588,645.80x = 45,201,280,784,671,168
  5. Step 5: Solve for x
    x = 45,201,280,784,671,168/240,588,645.80
  6. Step 6: Final answer
    x = 187,877,863.62

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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.