Finding the Fourth Proportional to 140,468,851.02, 193,833,881.28 and 83,942,379.84
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Solution
The fourth proportional to 140,468,851.02, 193,833,881.28 and 83,942,379.84 is: 115,832,635.99
Step by Step Solution
- Step 1: Write the proportion equation
140,468,851.02 : 193,833,881.28 = 83,942,379.84 : x - Step 2: Convert to fraction form
140,468,851.02/193,833,881.28 = 83,942,379.84/x - Step 3: Cross multiply
140,468,851.02x = 193,833,881.28 × 83,942,379.84 - Step 4: Simplify right side
140,468,851.02x = 16,270,877,288,267,226 - Step 5: Solve for x
x = 16,270,877,288,267,226/140,468,851.02 - Step 6: Final answer
x = 115,832,635.99
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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.