Finding the Fourth Proportional to 74,682,970,319.10, 103,062,809,554.79 and 40,388,676,876.00
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Solution
The fourth proportional to 74,682,970,319.10, 103,062,809,554.79 and 40,388,676,876.00 is: 55,736,542,015.61
Step by Step Solution
- Step 1: Write the proportion equation
74,682,970,319.10 : 103,062,809,554.79 = 40,388,676,876.00 : x - Step 2: Convert to fraction form
74,682,970,319.10/103,062,809,554.79 = 40,388,676,876.00/x - Step 3: Cross multiply
74,682,970,319.10x = 103,062,809,554.79 × 40,388,676,876.00 - Step 4: Simplify right side
74,682,970,319.10x = 4,162,570,513,040,726,294,528 - Step 5: Solve for x
x = 4,162,570,513,040,726,294,528/74,682,970,319.10 - Step 6: Final answer
x = 55,736,542,015.61
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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.