Finding the Fourth Proportional to 50,102,211.72, 69,139,878.84 and 29,476,984.08
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Solution
The fourth proportional to 50,102,211.72, 69,139,878.84 and 29,476,984.08 is: 40,677,547.71
Step by Step Solution
- Step 1: Write the proportion equation
50,102,211.72 : 69,139,878.84 = 29,476,984.08 : x - Step 2: Convert to fraction form
50,102,211.72/69,139,878.84 = 29,476,984.08/x - Step 3: Cross multiply
50,102,211.72x = 69,139,878.84 × 29,476,984.08 - Step 4: Simplify right side
50,102,211.72x = 2,038,035,107,859,808.75 - Step 5: Solve for x
x = 2,038,035,107,859,808.75/50,102,211.72 - Step 6: Final answer
x = 40,677,547.71
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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.