Finding the Fourth Proportional to 91,208,298.12, 125,869,487.94 and 52,049,295.24
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Solution
The fourth proportional to 91,208,298.12, 125,869,487.94 and 52,049,295.24 is: 71,829,189.61
Step by Step Solution
- Step 1: Write the proportion equation
91,208,298.12 : 125,869,487.94 = 52,049,295.24 : x - Step 2: Convert to fraction form
91,208,298.12/125,869,487.94 = 52,049,295.24/x - Step 3: Cross multiply
91,208,298.12x = 125,869,487.94 × 52,049,295.24 - Step 4: Simplify right side
91,208,298.12x = 6,551,418,139,496,680 - Step 5: Solve for x
x = 6,551,418,139,496,680/91,208,298.12 - Step 6: Final answer
x = 71,829,189.61
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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.