Finding the Fourth Proportional to 68,037,810.66, 93,893,727.72 and 38,664,514.98
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Solution
The fourth proportional to 68,037,810.66, 93,893,727.72 and 38,664,514.98 is: 53,357,910.94
Step by Step Solution
- Step 1: Write the proportion equation
68,037,810.66 : 93,893,727.72 = 38,664,514.98 : x - Step 2: Convert to fraction form
68,037,810.66/93,893,727.72 = 38,664,514.98/x - Step 3: Cross multiply
68,037,810.66x = 93,893,727.72 × 38,664,514.98 - Step 4: Simplify right side
68,037,810.66x = 3,630,355,441,957,981 - Step 5: Solve for x
x = 3,630,355,441,957,981/68,037,810.66 - Step 6: Final answer
x = 53,357,910.94
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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.