Finding the Fourth Proportional to 239,681,820.42, 330,989,349.33 and 226,624,127.94
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Solution
The fourth proportional to 239,681,820.42, 330,989,349.33 and 226,624,127.94 is: 312,957,288.62
Step by Step Solution
- Step 1: Write the proportion equation
239,681,820.42 : 330,989,349.33 = 226,624,127.94 : x - Step 2: Convert to fraction form
239,681,820.42/330,989,349.33 = 226,624,127.94/x - Step 3: Cross multiply
239,681,820.42x = 330,989,349.33 × 226,624,127.94 - Step 4: Simplify right side
239,681,820.42x = 75,010,172,649,339,264 - Step 5: Solve for x
x = 75,010,172,649,339,264/239,681,820.42 - Step 6: Final answer
x = 312,957,288.62
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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.