Finding the Fourth Proportional to 68,084,801.74, 93,953,198.51 and 38,723,276.98
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Solution
The fourth proportional to 68,084,801.74, 93,953,198.51 and 38,723,276.98 is: 53,435,945.11
Step by Step Solution
- Step 1: Write the proportion equation
68,084,801.74 : 93,953,198.51 = 38,723,276.98 : x - Step 2: Convert to fraction form
68,084,801.74/93,953,198.51 = 38,723,276.98/x - Step 3: Cross multiply
68,084,801.74x = 93,953,198.51 × 38,723,276.98 - Step 4: Simplify right side
68,084,801.74x = 3,638,175,728,589,887.50 - Step 5: Solve for x
x = 3,638,175,728,589,887.50/68,084,801.74 - Step 6: Final answer
x = 53,435,945.11
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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.