Finding the Fourth Proportional to 79,791,328.19, 119,677,086.19 and 21,503,566.16
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Solution
The fourth proportional to 79,791,328.19, 119,677,086.19 and 21,503,566.16 is: 32,252,679.56
Step by Step Solution
- Step 1: Write the proportion equation
79,791,328.19 : 119,677,086.19 = 21,503,566.16 : x - Step 2: Convert to fraction form
79,791,328.19/119,677,086.19 = 21,503,566.16/x - Step 3: Cross multiply
79,791,328.19x = 119,677,086.19 × 21,503,566.16 - Step 4: Simplify right side
79,791,328.19x = 2,573,484,140,030,331.50 - Step 5: Solve for x
x = 2,573,484,140,030,331.50/79,791,328.19 - Step 6: Final answer
x = 32,252,679.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.