Finding the Fourth Proportional to 91,181,849.96, 125,830,980.06 and 49,365,906.96
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Solution
The fourth proportional to 91,181,849.96, 125,830,980.06 and 49,365,906.96 is: 68,124,966.28
Step by Step Solution
- Step 1: Write the proportion equation
91,181,849.96 : 125,830,980.06 = 49,365,906.96 : x - Step 2: Convert to fraction form
91,181,849.96/125,830,980.06 = 49,365,906.96/x - Step 3: Cross multiply
91,181,849.96x = 125,830,980.06 × 49,365,906.96 - Step 4: Simplify right side
91,181,849.96x = 6,211,760,454,327,575 - Step 5: Solve for x
x = 6,211,760,454,327,575/91,181,849.96 - Step 6: Final answer
x = 68,124,966.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.