Finding the Fourth Proportional to 135,916,326.24, 187,558,479.72 and 79,406,310
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Solution
The fourth proportional to 135,916,326.24, 187,558,479.72 and 79,406,310 is: 109,577,172.93
Step by Step Solution
- Step 1: Write the proportion equation
135,916,326.24 : 187,558,479.72 = 79,406,310 : x - Step 2: Convert to fraction form
135,916,326.24/187,558,479.72 = 79,406,310/x - Step 3: Cross multiply
135,916,326.24x = 187,558,479.72 × 79,406,310 - Step 4: Simplify right side
135,916,326.24x = 14,893,326,783,775,034 - Step 5: Solve for x
x = 14,893,326,783,775,034/135,916,326.24 - Step 6: Final answer
x = 109,577,172.93
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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.