Finding the Fourth Proportional to 87,029,756.84, 120,095,143.80 and 50,365,839.08
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Solution
The fourth proportional to 87,029,756.84, 120,095,143.80 and 50,365,839.08 is: 69,501,431.54
Step by Step Solution
- Step 1: Write the proportion equation
87,029,756.84 : 120,095,143.80 = 50,365,839.08 : x - Step 2: Convert to fraction form
87,029,756.84/120,095,143.80 = 50,365,839.08/x - Step 3: Cross multiply
87,029,756.84x = 120,095,143.80 × 50,365,839.08 - Step 4: Simplify right side
87,029,756.84x = 6,048,692,687,031,626 - Step 5: Solve for x
x = 6,048,692,687,031,626/87,029,756.84 - Step 6: Final answer
x = 69,501,431.54
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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.