Finding the Fourth Proportional to 169,881,165.84, 253,581,551.68 and 145,775,002.08
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Solution
The fourth proportional to 169,881,165.84, 253,581,551.68 and 145,775,002.08 is: 217,598,290.20
Step by Step Solution
- Step 1: Write the proportion equation
169,881,165.84 : 253,581,551.68 = 145,775,002.08 : x - Step 2: Convert to fraction form
169,881,165.84/253,581,551.68 = 145,775,002.08/x - Step 3: Cross multiply
169,881,165.84x = 253,581,551.68 × 145,775,002.08 - Step 4: Simplify right side
169,881,165.84x = 36,965,851,223,601,632 - Step 5: Solve for x
x = 36,965,851,223,601,632/169,881,165.84 - Step 6: Final answer
x = 217,598,290.20
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.