Finding the Fourth Proportional to 78,889,403.00, 118,334,102.66 and 21,381,673.02
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Solution
The fourth proportional to 78,889,403.00, 118,334,102.66 and 21,381,673.02 is: 32,072,509.03
Step by Step Solution
- Step 1: Write the proportion equation
78,889,403.00 : 118,334,102.66 = 21,381,673.02 : x - Step 2: Convert to fraction form
78,889,403.00/118,334,102.66 = 21,381,673.02/x - Step 3: Cross multiply
78,889,403.00x = 118,334,102.66 × 21,381,673.02 - Step 4: Simplify right side
78,889,403.00x = 2,530,181,090,084,324 - Step 5: Solve for x
x = 2,530,181,090,084,324/78,889,403.00 - Step 6: Final answer
x = 32,072,509.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.