Finding the Fourth Proportional to 71,803,782.40, 107,702,908.80 and 23,934,726.40
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Solution
The fourth proportional to 71,803,782.40, 107,702,908.80 and 23,934,726.40 is: 35,901,167.99
Step by Step Solution
- Step 1: Write the proportion equation
71,803,782.40 : 107,702,908.80 = 23,934,726.40 : x - Step 2: Convert to fraction form
71,803,782.40/107,702,908.80 = 23,934,726.40/x - Step 3: Cross multiply
71,803,782.40x = 107,702,908.80 × 23,934,726.40 - Step 4: Simplify right side
71,803,782.40x = 2,577,839,654,612,152 - Step 5: Solve for x
x = 2,577,839,654,612,152/71,803,782.40 - Step 6: Final answer
x = 35,901,167.99
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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.