Home / 75,704,409.43-113,557,515.27-21,113,673.51

Finding the Fourth Proportional to 75,704,409.43, 113,557,515.27 and 21,113,673.51

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Solution

The fourth proportional to 75,704,409.43, 113,557,515.27 and 21,113,673.51 is: 31,670,761.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,704,409.43 : 113,557,515.27 = 21,113,673.51 : x
  2. Step 2: Convert to fraction form
    75,704,409.43/113,557,515.27 = 21,113,673.51/x
  3. Step 3: Cross multiply
    75,704,409.43x = 113,557,515.27 × 21,113,673.51
  4. Step 4: Simplify right side
    75,704,409.43x = 2,397,616,302,133,946.50
  5. Step 5: Solve for x
    x = 2,397,616,302,133,946.50/75,704,409.43
  6. Step 6: Final answer
    x = 31,670,761.59

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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.