Finding the Fourth Proportional to 67,900,458.08, 93,704,895.52 and 38,136,351.31
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Solution
The fourth proportional to 67,900,458.08, 93,704,895.52 and 38,136,351.31 is: 52,629,436.02
Step by Step Solution
- Step 1: Write the proportion equation
67,900,458.08 : 93,704,895.52 = 38,136,351.31 : x - Step 2: Convert to fraction form
67,900,458.08/93,704,895.52 = 38,136,351.31/x - Step 3: Cross multiply
67,900,458.08x = 93,704,895.52 × 38,136,351.31 - Step 4: Simplify right side
67,900,458.08x = 3,573,562,814,687,961.50 - Step 5: Solve for x
x = 3,573,562,814,687,961.50/67,900,458.08 - Step 6: Final answer
x = 52,629,436.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.