Finding the Fourth Proportional to 112,623,930, 155,421,023.49 and 61,115,706
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Solution
The fourth proportional to 112,623,930, 155,421,023.49 and 61,115,706 is: 84,339,674.33
Step by Step Solution
- Step 1: Write the proportion equation
112,623,930 : 155,421,023.49 = 61,115,706 : x - Step 2: Convert to fraction form
112,623,930/155,421,023.49 = 61,115,706/x - Step 3: Cross multiply
112,623,930x = 155,421,023.49 × 61,115,706 - Step 4: Simplify right side
112,623,930x = 9,498,665,577,833,934 - Step 5: Solve for x
x = 9,498,665,577,833,934/112,623,930 - Step 6: Final answer
x = 84,339,674.33
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.