Home / 84,018,342,100.52-115,945,661,425.84-45,437,261,976.76

Finding the Fourth Proportional to 84,018,342,100.52, 115,945,661,425.84 and 45,437,261,976.76

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Solution

The fourth proportional to 84,018,342,100.52, 115,945,661,425.84 and 45,437,261,976.76 is: 62,703,610,444.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,018,342,100.52 : 115,945,661,425.84 = 45,437,261,976.76 : x
  2. Step 2: Convert to fraction form
    84,018,342,100.52/115,945,661,425.84 = 45,437,261,976.76/x
  3. Step 3: Cross multiply
    84,018,342,100.52x = 115,945,661,425.84 × 45,437,261,976.76
  4. Step 4: Simplify right side
    84,018,342,100.52x = 5,268,253,393,275,071,758,336
  5. Step 5: Solve for x
    x = 5,268,253,393,275,071,758,336/84,018,342,100.52
  6. Step 6: Final answer
    x = 62,703,610,444.63

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Double scale
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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.