Home / 136,662,940.68-188,365,012.02-103,612,245

Finding the Fourth Proportional to 136,662,940.68, 188,365,012.02 and 103,612,245

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Solution

The fourth proportional to 136,662,940.68, 188,365,012.02 and 103,612,245 is: 142,810,638.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,662,940.68 : 188,365,012.02 = 103,612,245 : x
  2. Step 2: Convert to fraction form
    136,662,940.68/188,365,012.02 = 103,612,245/x
  3. Step 3: Cross multiply
    136,662,940.68x = 188,365,012.02 × 103,612,245
  4. Step 4: Simplify right side
    136,662,940.68x = 19,516,921,774,844,188
  5. Step 5: Solve for x
    x = 19,516,921,774,844,188/136,662,940.68
  6. Step 6: Final answer
    x = 142,810,638.19

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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.