Finding the Fourth Proportional to 96,775,625.80, 145,163,438.70 and 42,922,937.80
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Solution
The fourth proportional to 96,775,625.80, 145,163,438.70 and 42,922,937.80 is: 64,384,406.70
Step by Step Solution
- Step 1: Write the proportion equation
96,775,625.80 : 145,163,438.70 = 42,922,937.80 : x - Step 2: Convert to fraction form
96,775,625.80/145,163,438.70 = 42,922,937.80/x - Step 3: Cross multiply
96,775,625.80x = 145,163,438.70 × 42,922,937.80 - Step 4: Simplify right side
96,775,625.80x = 6,230,841,250,154,212 - Step 5: Solve for x
x = 6,230,841,250,154,212/96,775,625.80 - Step 6: Final answer
x = 64,384,406.70
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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.