Home / 75,954,648.08-113,743,015.32-53,128,666.64

Finding the Fourth Proportional to 75,954,648.08, 113,743,015.32 and 53,128,666.64

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Solution

The fourth proportional to 75,954,648.08, 113,743,015.32 and 53,128,666.64 is: 79,560,828.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,954,648.08 : 113,743,015.32 = 53,128,666.64 : x
  2. Step 2: Convert to fraction form
    75,954,648.08/113,743,015.32 = 53,128,666.64/x
  3. Step 3: Cross multiply
    75,954,648.08x = 113,743,015.32 × 53,128,666.64
  4. Step 4: Simplify right side
    75,954,648.08x = 6,043,014,743,564,693
  5. Step 5: Solve for x
    x = 6,043,014,743,564,693/75,954,648.08
  6. Step 6: Final answer
    x = 79,560,828.68

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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.