Finding the Fourth Proportional to 86,565,860,090.05, 129,848,790,135.07 and 86,565,860,090.05
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Solution
The fourth proportional to 86,565,860,090.05, 129,848,790,135.07 and 86,565,860,090.05 is: 129,848,790,135.07
Step by Step Solution
- Step 1: Write the proportion equation
86,565,860,090.05 : 129,848,790,135.07 = 86,565,860,090.05 : x - Step 2: Convert to fraction form
86,565,860,090.05/129,848,790,135.07 = 86,565,860,090.05/x - Step 3: Cross multiply
86,565,860,090.05x = 129,848,790,135.07 × 86,565,860,090.05 - Step 4: Simplify right side
86,565,860,090.05x = 11,240,472,199,694,735,376,384 - Step 5: Solve for x
x = 11,240,472,199,694,735,376,384/86,565,860,090.05 - Step 6: Final answer
x = 129,848,790,135.07
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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.