Finding the Fourth Proportional to 292,791,772.38, 439,169,689.35 and 120,264,110.10
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Solution
The fourth proportional to 292,791,772.38, 439,169,689.35 and 120,264,110.10 is: 180,388,784.30
Step by Step Solution
- Step 1: Write the proportion equation
292,791,772.38 : 439,169,689.35 = 120,264,110.10 : x - Step 2: Convert to fraction form
292,791,772.38/439,169,689.35 = 120,264,110.10/x - Step 3: Cross multiply
292,791,772.38x = 439,169,689.35 × 120,264,110.10 - Step 4: Simplify right side
292,791,772.38x = 52,816,351,872,571,200 - Step 5: Solve for x
x = 52,816,351,872,571,200/292,791,772.38 - Step 6: Final answer
x = 180,388,784.30
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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.