Finding the Fourth Proportional to 98,516,498.62, 135,930,213.30 and 58,816,302.88
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Solution
The fourth proportional to 98,516,498.62, 135,930,213.30 and 58,816,302.88 is: 81,153,032.31
Step by Step Solution
- Step 1: Write the proportion equation
98,516,498.62 : 135,930,213.30 = 58,816,302.88 : x - Step 2: Convert to fraction form
98,516,498.62/135,930,213.30 = 58,816,302.88/x - Step 3: Cross multiply
98,516,498.62x = 135,930,213.30 × 58,816,302.88 - Step 4: Simplify right side
98,516,498.62x = 7,994,912,595,995,805 - Step 5: Solve for x
x = 7,994,912,595,995,805/98,516,498.62 - Step 6: Final answer
x = 81,153,032.31
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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.