Finding the Fourth Proportional to 101,500,555.68, 140,070,413.30 and 55,090,809.99
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Solution
The fourth proportional to 101,500,555.68, 140,070,413.30 and 55,090,809.99 is: 76,025,125.90
Step by Step Solution
- Step 1: Write the proportion equation
101,500,555.68 : 140,070,413.30 = 55,090,809.99 : x - Step 2: Convert to fraction form
101,500,555.68/140,070,413.30 = 55,090,809.99/x - Step 3: Cross multiply
101,500,555.68x = 140,070,413.30 × 55,090,809.99 - Step 4: Simplify right side
101,500,555.68x = 7,716,592,524,055,614 - Step 5: Solve for x
x = 7,716,592,524,055,614/101,500,555.68 - Step 6: Final answer
x = 76,025,125.90
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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.