Finding the Fourth Proportional to 44,536,547.80, 66,804,821.70 and 40,231,875.70
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Solution
The fourth proportional to 44,536,547.80, 66,804,821.70 and 40,231,875.70 is: 60,347,813.55
Step by Step Solution
- Step 1: Write the proportion equation
44,536,547.80 : 66,804,821.70 = 40,231,875.70 : x - Step 2: Convert to fraction form
44,536,547.80/66,804,821.70 = 40,231,875.70/x - Step 3: Cross multiply
44,536,547.80x = 66,804,821.70 × 40,231,875.70 - Step 4: Simplify right side
44,536,547.80x = 2,687,683,282,795,063 - Step 5: Solve for x
x = 2,687,683,282,795,063/44,536,547.80 - Step 6: Final answer
x = 60,347,813.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.