Finding the Fourth Proportional to 145,657,419.48, 218,517,622.02 and 77,490,204.12
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Solution
The fourth proportional to 145,657,419.48, 218,517,622.02 and 77,490,204.12 is: 116,252,060.45
Step by Step Solution
- Step 1: Write the proportion equation
145,657,419.48 : 218,517,622.02 = 77,490,204.12 : x - Step 2: Convert to fraction form
145,657,419.48/218,517,622.02 = 77,490,204.12/x - Step 3: Cross multiply
145,657,419.48x = 218,517,622.02 × 77,490,204.12 - Step 4: Simplify right side
145,657,419.48x = 16,932,975,134,146,808 - Step 5: Solve for x
x = 16,932,975,134,146,808/145,657,419.48 - Step 6: Final answer
x = 116,252,060.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.