Home / 84,018,342,107.82-115,945,661,435.67-45,437,261,983.98

Finding the Fourth Proportional to 84,018,342,107.82, 115,945,661,435.67 and 45,437,261,983.98

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Solution

The fourth proportional to 84,018,342,107.82, 115,945,661,435.67 and 45,437,261,983.98 is: 62,703,610,454.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,018,342,107.82 : 115,945,661,435.67 = 45,437,261,983.98 : x
  2. Step 2: Convert to fraction form
    84,018,342,107.82/115,945,661,435.67 = 45,437,261,983.98/x
  3. Step 3: Cross multiply
    84,018,342,107.82x = 115,945,661,435.67 × 45,437,261,983.98
  4. Step 4: Simplify right side
    84,018,342,107.82x = 5,268,253,394,558,385,127,424
  5. Step 5: Solve for x
    x = 5,268,253,394,558,385,127,424/84,018,342,107.82
  6. Step 6: Final answer
    x = 62,703,610,454.46

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1.5x scale

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.