Finding the Fourth Proportional to 97,016,965.12, 133,882,590.72 and 53,555,968
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Solution
The fourth proportional to 97,016,965.12, 133,882,590.72 and 53,555,968 is: 73,906,782.55
Step by Step Solution
- Step 1: Write the proportion equation
97,016,965.12 : 133,882,590.72 = 53,555,968 : x - Step 2: Convert to fraction form
97,016,965.12/133,882,590.72 = 53,555,968/x - Step 3: Cross multiply
97,016,965.12x = 133,882,590.72 × 53,555,968 - Step 4: Simplify right side
97,016,965.12x = 7,170,211,744,357,417 - Step 5: Solve for x
x = 7,170,211,744,357,417/97,016,965.12 - Step 6: Final answer
x = 73,906,782.55
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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.