Finding the Fourth Proportional to 193,793,163.84, 290,572,660.98 and 77,226,452.64
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Solution
The fourth proportional to 193,793,163.84, 290,572,660.98 and 77,226,452.64 is: 115,793,020.75
Step by Step Solution
- Step 1: Write the proportion equation
193,793,163.84 : 290,572,660.98 = 77,226,452.64 : x - Step 2: Convert to fraction form
193,793,163.84/290,572,660.98 = 77,226,452.64/x - Step 3: Cross multiply
193,793,163.84x = 290,572,660.98 × 77,226,452.64 - Step 4: Simplify right side
193,793,163.84x = 22,439,895,841,650,748 - Step 5: Solve for x
x = 22,439,895,841,650,748/193,793,163.84 - Step 6: Final answer
x = 115,793,020.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.