Finding the Fourth Proportional to 69,817,413.98, 96,348,026.41 and 40,465,771.70
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Solution
The fourth proportional to 69,817,413.98, 96,348,026.41 and 40,465,771.70 is: 55,842,762.11
Step by Step Solution
- Step 1: Write the proportion equation
69,817,413.98 : 96,348,026.41 = 40,465,771.70 : x - Step 2: Convert to fraction form
69,817,413.98/96,348,026.41 = 40,465,771.70/x - Step 3: Cross multiply
69,817,413.98x = 96,348,026.41 × 40,465,771.70 - Step 4: Simplify right side
69,817,413.98x = 3,898,797,239,869,726 - Step 5: Solve for x
x = 3,898,797,239,869,726/69,817,413.98 - Step 6: Final answer
x = 55,842,762.11
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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.