Finding the Fourth Proportional to 107,550,376,788.12, 148,432,534,660.98 and 61,212,070,515.21
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Solution
The fourth proportional to 107,550,376,788.12, 148,432,534,660.98 and 61,212,070,515.21 is: 84,480,064,596.32
Step by Step Solution
- Step 1: Write the proportion equation
107,550,376,788.12 : 148,432,534,660.98 = 61,212,070,515.21 : x - Step 2: Convert to fraction form
107,550,376,788.12/148,432,534,660.98 = 61,212,070,515.21/x - Step 3: Cross multiply
107,550,376,788.12x = 148,432,534,660.98 × 61,212,070,515.21 - Step 4: Simplify right side
107,550,376,788.12x = 9,085,862,778,419,260,948,480 - Step 5: Solve for x
x = 9,085,862,778,419,260,948,480/107,550,376,788.12 - Step 6: Final answer
x = 84,480,064,596.32
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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.