Finding the Fourth Proportional to 133,065,302.42, 183,630,756.84 and 74,330,443.10
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Solution
The fourth proportional to 133,065,302.42, 183,630,756.84 and 74,330,443.10 is: 102,576,368.70
Step by Step Solution
- Step 1: Write the proportion equation
133,065,302.42 : 183,630,756.84 = 74,330,443.10 : x - Step 2: Convert to fraction form
133,065,302.42/183,630,756.84 = 74,330,443.10/x - Step 3: Cross multiply
133,065,302.42x = 183,630,756.84 × 74,330,443.10 - Step 4: Simplify right side
133,065,302.42x = 13,649,355,522,705,554 - Step 5: Solve for x
x = 13,649,355,522,705,554/133,065,302.42 - Step 6: Final answer
x = 102,576,368.70
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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.