Finding the Fourth Proportional to 194,039,894.30, 291,201,559.05 and 136,644,266.30
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Solution
The fourth proportional to 194,039,894.30, 291,201,559.05 and 136,644,266.30 is: 205,066,197.99
Step by Step Solution
- Step 1: Write the proportion equation
194,039,894.30 : 291,201,559.05 = 136,644,266.30 : x - Step 2: Convert to fraction form
194,039,894.30/291,201,559.05 = 136,644,266.30/x - Step 3: Cross multiply
194,039,894.30x = 291,201,559.05 × 136,644,266.30 - Step 4: Simplify right side
194,039,894.30x = 39,791,023,381,803,384 - Step 5: Solve for x
x = 39,791,023,381,803,384/194,039,894.30 - Step 6: Final answer
x = 205,066,197.99
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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.