Finding the Fourth Proportional to 99,357,179.42, 137,114,458.62 and 55,304,657.12
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Solution
The fourth proportional to 99,357,179.42, 137,114,458.62 and 55,304,657.12 is: 76,321,290.16
Step by Step Solution
- Step 1: Write the proportion equation
99,357,179.42 : 137,114,458.62 = 55,304,657.12 : x - Step 2: Convert to fraction form
99,357,179.42/137,114,458.62 = 55,304,657.12/x - Step 3: Cross multiply
99,357,179.42x = 137,114,458.62 × 55,304,657.12 - Step 4: Simplify right side
99,357,179.42x = 7,583,068,120,173,528 - Step 5: Solve for x
x = 7,583,068,120,173,528/99,357,179.42 - Step 6: Final answer
x = 76,321,290.16
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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.