Finding the Fourth Proportional to 136,843,341.84, 188,842,307.72 and 74,117,880.63
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Solution
The fourth proportional to 136,843,341.84, 188,842,307.72 and 74,117,880.63 is: 102,281,860.65
Step by Step Solution
- Step 1: Write the proportion equation
136,843,341.84 : 188,842,307.72 = 74,117,880.63 : x - Step 2: Convert to fraction form
136,843,341.84/188,842,307.72 = 74,117,880.63/x - Step 3: Cross multiply
136,843,341.84x = 188,842,307.72 × 74,117,880.63 - Step 4: Simplify right side
136,843,341.84x = 13,996,591,621,114,098 - Step 5: Solve for x
x = 13,996,591,621,114,098/136,843,341.84 - Step 6: Final answer
x = 102,281,860.65
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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.