Home / 144,826,771.60-217,492,099.80-76,802,323.60

Finding the Fourth Proportional to 144,826,771.60, 217,492,099.80 and 76,802,323.60

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Solution

The fourth proportional to 144,826,771.60, 217,492,099.80 and 76,802,323.60 is: 115,337,091.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,826,771.60 : 217,492,099.80 = 76,802,323.60 : x
  2. Step 2: Convert to fraction form
    144,826,771.60/217,492,099.80 = 76,802,323.60/x
  3. Step 3: Cross multiply
    144,826,771.60x = 217,492,099.80 × 76,802,323.60
  4. Step 4: Simplify right side
    144,826,771.60x = 16,703,898,629,283,094
  5. Step 5: Solve for x
    x = 16,703,898,629,283,094/144,826,771.60
  6. Step 6: Final answer
    x = 115,337,091.65

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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.