Finding the Fourth Proportional to 104,316,053.13, 143,948,952.27 and 57,902,653.44
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Solution
The fourth proportional to 104,316,053.13, 143,948,952.27 and 57,902,653.44 is: 79,901,664.66
Step by Step Solution
- Step 1: Write the proportion equation
104,316,053.13 : 143,948,952.27 = 57,902,653.44 : x - Step 2: Convert to fraction form
104,316,053.13/143,948,952.27 = 57,902,653.44/x - Step 3: Cross multiply
104,316,053.13x = 143,948,952.27 × 57,902,653.44 - Step 4: Simplify right side
104,316,053.13x = 8,335,026,296,340,912 - Step 5: Solve for x
x = 8,335,026,296,340,912/104,316,053.13 - Step 6: Final answer
x = 79,901,664.66
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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.