Finding the Fourth Proportional to 70,143,849.88, 96,796,840.75 and 39,206,897.80
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Solution
The fourth proportional to 70,143,849.88, 96,796,840.75 and 39,206,897.80 is: 54,104,584.35
Step by Step Solution
- Step 1: Write the proportion equation
70,143,849.88 : 96,796,840.75 = 39,206,897.80 : x - Step 2: Convert to fraction form
70,143,849.88/96,796,840.75 = 39,206,897.80/x - Step 3: Cross multiply
70,143,849.88x = 96,796,840.75 × 39,206,897.80 - Step 4: Simplify right side
70,143,849.88x = 3,795,103,842,690,655.50 - Step 5: Solve for x
x = 3,795,103,842,690,655.50/70,143,849.88 - Step 6: Final answer
x = 54,104,584.35
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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.