Home / 84,018,342,094.32-115,945,661,417.04-45,437,261,970.48

Finding the Fourth Proportional to 84,018,342,094.32, 115,945,661,417.04 and 45,437,261,970.48

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Solution

The fourth proportional to 84,018,342,094.32, 115,945,661,417.04 and 45,437,261,970.48 is: 62,703,610,435.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,018,342,094.32 : 115,945,661,417.04 = 45,437,261,970.48 : x
  2. Step 2: Convert to fraction form
    84,018,342,094.32/115,945,661,417.04 = 45,437,261,970.48/x
  3. Step 3: Cross multiply
    84,018,342,094.32x = 115,945,661,417.04 × 45,437,261,970.48
  4. Step 4: Simplify right side
    84,018,342,094.32x = 5,268,253,392,146,621,530,112
  5. Step 5: Solve for x
    x = 5,268,253,392,146,621,530,112/84,018,342,094.32
  6. Step 6: Final answer
    x = 62,703,610,435.83

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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.