Finding the Fourth Proportional to 149,908,674.94, 206,879,620.62 and 83,829,024.16
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Solution
The fourth proportional to 149,908,674.94, 206,879,620.62 and 83,829,024.16 is: 115,687,212.38
Step by Step Solution
- Step 1: Write the proportion equation
149,908,674.94 : 206,879,620.62 = 83,829,024.16 : x - Step 2: Convert to fraction form
149,908,674.94/206,879,620.62 = 83,829,024.16/x - Step 3: Cross multiply
149,908,674.94x = 206,879,620.62 × 83,829,024.16 - Step 4: Simplify right side
149,908,674.94x = 17,342,516,715,165,614 - Step 5: Solve for x
x = 17,342,516,715,165,614/149,908,674.94 - Step 6: Final answer
x = 115,687,212.38
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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.