Finding the Fourth Proportional to 62,762,671.70, 86,529,280.80 and 51,557,072.84
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Solution
The fourth proportional to 62,762,671.70, 86,529,280.80 and 51,557,072.84 is: 71,080,409.93
Step by Step Solution
- Step 1: Write the proportion equation
62,762,671.70 : 86,529,280.80 = 51,557,072.84 : x - Step 2: Convert to fraction form
62,762,671.70/86,529,280.80 = 51,557,072.84/x - Step 3: Cross multiply
62,762,671.70x = 86,529,280.80 × 51,557,072.84 - Step 4: Simplify right side
62,762,671.70x = 4,461,196,432,998,413.50 - Step 5: Solve for x
x = 4,461,196,432,998,413.50/62,762,671.70 - Step 6: Final answer
x = 71,080,409.93
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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.