Finding the Fourth Proportional to 50,216,767.51, 69,298,860.62 and 28,190,261.07
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Solution
The fourth proportional to 50,216,767.51, 69,298,860.62 and 28,190,261.07 is: 38,902,403.91
Step by Step Solution
- Step 1: Write the proportion equation
50,216,767.51 : 69,298,860.62 = 28,190,261.07 : x - Step 2: Convert to fraction form
50,216,767.51/69,298,860.62 = 28,190,261.07/x - Step 3: Cross multiply
50,216,767.51x = 69,298,860.62 × 28,190,261.07 - Step 4: Simplify right side
50,216,767.51x = 1,953,552,972,731,342.25 - Step 5: Solve for x
x = 1,953,552,972,731,342.25/50,216,767.51 - Step 6: Final answer
x = 38,902,403.91
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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.