Finding the Fourth Proportional to 73,879,617,128.58, 110,790,775,380.16 and 25,411,167,202.26
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Solution
The fourth proportional to 73,879,617,128.58, 110,790,775,380.16 and 25,411,167,202.26 is: 38,106,896,422.51
Step by Step Solution
- Step 1: Write the proportion equation
73,879,617,128.58 : 110,790,775,380.16 = 25,411,167,202.26 : x - Step 2: Convert to fraction form
73,879,617,128.58/110,790,775,380.16 = 25,411,167,202.26/x - Step 3: Cross multiply
73,879,617,128.58x = 110,790,775,380.16 × 25,411,167,202.26 - Step 4: Simplify right side
73,879,617,128.58x = 2,815,322,917,653,276,262,400 - Step 5: Solve for x
x = 2,815,322,917,653,276,262,400/73,879,617,128.58 - Step 6: Final answer
x = 38,106,896,422.51
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.