Finding the Fourth Proportional to 222,032,972.16, 306,409,130.64 and 121,559,734.08
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Solution
The fourth proportional to 222,032,972.16, 306,409,130.64 and 121,559,734.08 is: 167,754,419.89
Step by Step Solution
- Step 1: Write the proportion equation
222,032,972.16 : 306,409,130.64 = 121,559,734.08 : x - Step 2: Convert to fraction form
222,032,972.16/306,409,130.64 = 121,559,734.08/x - Step 3: Cross multiply
222,032,972.16x = 306,409,130.64 × 121,559,734.08 - Step 4: Simplify right side
222,032,972.16x = 37,247,012,440,282,376 - Step 5: Solve for x
x = 37,247,012,440,282,376/222,032,972.16 - Step 6: Final answer
x = 167,754,419.89
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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.