Home / 118,187,611.40-161,916,272.37-113,767,945

Finding the Fourth Proportional to 118,187,611.40, 161,916,272.37 and 113,767,945

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Solution

The fourth proportional to 118,187,611.40, 161,916,272.37 and 113,767,945 is: 155,861,357.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,187,611.40 : 161,916,272.37 = 113,767,945 : x
  2. Step 2: Convert to fraction form
    118,187,611.40/161,916,272.37 = 113,767,945/x
  3. Step 3: Cross multiply
    118,187,611.40x = 161,916,272.37 × 113,767,945
  4. Step 4: Simplify right side
    118,187,611.40x = 18,420,881,569,595,180
  5. Step 5: Solve for x
    x = 18,420,881,569,595,180/118,187,611.40
  6. Step 6: Final answer
    x = 155,861,357.64

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.