Finding the Fourth Proportional to 55,224,549.08, 76,212,472.58 and 30,778,438.04
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Solution
The fourth proportional to 55,224,549.08, 76,212,472.58 and 30,778,438.04 is: 42,475,690.69
Step by Step Solution
- Step 1: Write the proportion equation
55,224,549.08 : 76,212,472.58 = 30,778,438.04 : x - Step 2: Convert to fraction form
55,224,549.08/76,212,472.58 = 30,778,438.04/x - Step 3: Cross multiply
55,224,549.08x = 76,212,472.58 × 30,778,438.04 - Step 4: Simplify right side
55,224,549.08x = 2,345,700,865,178,729 - Step 5: Solve for x
x = 2,345,700,865,178,729/55,224,549.08 - Step 6: Final answer
x = 42,475,690.69
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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.