Home / 101,232,437.70-139,700,068.31-54,821,629.56

Finding the Fourth Proportional to 101,232,437.70, 139,700,068.31 and 54,821,629.56

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Solution

The fourth proportional to 101,232,437.70, 139,700,068.31 and 54,821,629.56 is: 75,653,472.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,232,437.70 : 139,700,068.31 = 54,821,629.56 : x
  2. Step 2: Convert to fraction form
    101,232,437.70/139,700,068.31 = 54,821,629.56/x
  3. Step 3: Cross multiply
    101,232,437.70x = 139,700,068.31 × 54,821,629.56
  4. Step 4: Simplify right side
    101,232,437.70x = 7,658,585,394,397,516
  5. Step 5: Solve for x
    x = 7,658,585,394,397,516/101,232,437.70
  6. Step 6: Final answer
    x = 75,653,472.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.