Finding the Fourth Proportional to 155,423,998.97, 214,503,927.09 and 88,459,239.51
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Solution
The fourth proportional to 155,423,998.97, 214,503,927.09 and 88,459,239.51 is: 122,084,455.35
Step by Step Solution
- Step 1: Write the proportion equation
155,423,998.97 : 214,503,927.09 = 88,459,239.51 : x - Step 2: Convert to fraction form
155,423,998.97/214,503,927.09 = 88,459,239.51/x - Step 3: Cross multiply
155,423,998.97x = 214,503,927.09 × 88,459,239.51 - Step 4: Simplify right side
155,423,998.97x = 18,974,854,262,289,888 - Step 5: Solve for x
x = 18,974,854,262,289,888/155,423,998.97 - Step 6: Final answer
x = 122,084,455.35
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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.