Home / 118,341,961.60-177,512,942.40-113,806,998.40

Finding the Fourth Proportional to 118,341,961.60, 177,512,942.40 and 113,806,998.40

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Solution

The fourth proportional to 118,341,961.60, 177,512,942.40 and 113,806,998.40 is: 170,710,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,341,961.60 : 177,512,942.40 = 113,806,998.40 : x
  2. Step 2: Convert to fraction form
    118,341,961.60/177,512,942.40 = 113,806,998.40/x
  3. Step 3: Cross multiply
    118,341,961.60x = 177,512,942.40 × 113,806,998.40
  4. Step 4: Simplify right side
    118,341,961.60x = 20,202,215,151,696,092
  5. Step 5: Solve for x
    x = 20,202,215,151,696,092/118,341,961.60
  6. Step 6: Final answer
    x = 170,710,497.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.