Finding the Fourth Proportional to 149,643,742.20, 224,465,613.30 and 98,583,415.80
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Solution
The fourth proportional to 149,643,742.20, 224,465,613.30 and 98,583,415.80 is: 147,875,123.70
Step by Step Solution
- Step 1: Write the proportion equation
149,643,742.20 : 224,465,613.30 = 98,583,415.80 : x - Step 2: Convert to fraction form
149,643,742.20/224,465,613.30 = 98,583,415.80/x - Step 3: Cross multiply
149,643,742.20x = 224,465,613.30 × 98,583,415.80 - Step 4: Simplify right side
149,643,742.20x = 22,128,586,888,755,912 - Step 5: Solve for x
x = 22,128,586,888,755,912/149,643,742.20 - Step 6: Final answer
x = 147,875,123.70
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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.