Home / 118,051,812.35-177,100,415.48-45,262,916.21

Finding the Fourth Proportional to 118,051,812.35, 177,100,415.48 and 45,262,916.21

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Solution

The fourth proportional to 118,051,812.35, 177,100,415.48 and 45,262,916.21 is: 67,903,076.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,051,812.35 : 177,100,415.48 = 45,262,916.21 : x
  2. Step 2: Convert to fraction form
    118,051,812.35/177,100,415.48 = 45,262,916.21/x
  3. Step 3: Cross multiply
    118,051,812.35x = 177,100,415.48 × 45,262,916.21
  4. Step 4: Simplify right side
    118,051,812.35x = 8,016,081,265,515,610
  5. Step 5: Solve for x
    x = 8,016,081,265,515,610/118,051,812.35
  6. Step 6: Final answer
    x = 67,903,076.68

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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.