Finding the Fourth Proportional to 99,163,404.80, 148,745,107.20 and 98,596,534.40
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Solution
The fourth proportional to 99,163,404.80, 148,745,107.20 and 98,596,534.40 is: 147,894,801.60
Step by Step Solution
- Step 1: Write the proportion equation
99,163,404.80 : 148,745,107.20 = 98,596,534.40 : x - Step 2: Convert to fraction form
99,163,404.80/148,745,107.20 = 98,596,534.40/x - Step 3: Cross multiply
99,163,404.80x = 148,745,107.20 × 98,596,534.40 - Step 4: Simplify right side
99,163,404.80x = 14,665,752,078,876,488 - Step 5: Solve for x
x = 14,665,752,078,876,488/99,163,404.80 - Step 6: Final answer
x = 147,894,801.60
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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.