Home / 84,018,341,619.62-115,945,660,763.82-45,437,261,496.13

Finding the Fourth Proportional to 84,018,341,619.62, 115,945,660,763.82 and 45,437,261,496.13

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Solution

The fourth proportional to 84,018,341,619.62, 115,945,660,763.82 and 45,437,261,496.13 is: 62,703,609,782.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,018,341,619.62 : 115,945,660,763.82 = 45,437,261,496.13 : x
  2. Step 2: Convert to fraction form
    84,018,341,619.62/115,945,660,763.82 = 45,437,261,496.13/x
  3. Step 3: Cross multiply
    84,018,341,619.62x = 115,945,660,763.82 × 45,437,261,496.13
  4. Step 4: Simplify right side
    84,018,341,619.62x = 5,268,253,307,467,269,668,864
  5. Step 5: Solve for x
    x = 5,268,253,307,467,269,668,864/84,018,341,619.62
  6. Step 6: Final answer
    x = 62,703,609,782.24

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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.