Home / 84,018,342,101.72-115,945,661,427.48-45,437,261,977.96

Finding the Fourth Proportional to 84,018,342,101.72, 115,945,661,427.48 and 45,437,261,977.96

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Solution

The fourth proportional to 84,018,342,101.72, 115,945,661,427.48 and 45,437,261,977.96 is: 62,703,610,446.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,018,342,101.72 : 115,945,661,427.48 = 45,437,261,977.96 : x
  2. Step 2: Convert to fraction form
    84,018,342,101.72/115,945,661,427.48 = 45,437,261,977.96/x
  3. Step 3: Cross multiply
    84,018,342,101.72x = 115,945,661,427.48 × 45,437,261,977.96
  4. Step 4: Simplify right side
    84,018,342,101.72x = 5,268,253,393,488,259,842,048
  5. Step 5: Solve for x
    x = 5,268,253,393,488,259,842,048/84,018,342,101.72
  6. Step 6: Final answer
    x = 62,703,610,446.28

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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.