Finding the Fourth Proportional to 97,988,329.61, 135,218,749.19 and 53,926,906.90
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Solution
The fourth proportional to 97,988,329.61, 135,218,749.19 and 53,926,906.90 is: 74,416,299.66
Step by Step Solution
- Step 1: Write the proportion equation
97,988,329.61 : 135,218,749.19 = 53,926,906.90 : x - Step 2: Convert to fraction form
97,988,329.61/135,218,749.19 = 53,926,906.90/x - Step 3: Cross multiply
97,988,329.61x = 135,218,749.19 × 53,926,906.90 - Step 4: Simplify right side
97,988,329.61x = 7,291,928,899,336,237 - Step 5: Solve for x
x = 7,291,928,899,336,237/97,988,329.61 - Step 6: Final answer
x = 74,416,299.66
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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.