Finding the Fourth Proportional to 68,298,963.72, 102,448,463.01 and 19,122,062.05
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Solution
The fourth proportional to 68,298,963.72, 102,448,463.01 and 19,122,062.05 is: 28,683,097.95
Step by Step Solution
- Step 1: Write the proportion equation
68,298,963.72 : 102,448,463.01 = 19,122,062.05 : x - Step 2: Convert to fraction form
68,298,963.72/102,448,463.01 = 19,122,062.05/x - Step 3: Cross multiply
68,298,963.72x = 102,448,463.01 × 19,122,062.05 - Step 4: Simplify right side
68,298,963.72x = 1,959,025,866,604,350 - Step 5: Solve for x
x = 1,959,025,866,604,350/68,298,963.72 - Step 6: Final answer
x = 28,683,097.95
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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.