Finding the Fourth Proportional to 198,087,746.64, 273,369,627.99 and 109,981,748.58
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Solution
The fourth proportional to 198,087,746.64, 273,369,627.99 and 109,981,748.58 is: 151,779,553.28
Step by Step Solution
- Step 1: Write the proportion equation
198,087,746.64 : 273,369,627.99 = 109,981,748.58 : x - Step 2: Convert to fraction form
198,087,746.64/273,369,627.99 = 109,981,748.58/x - Step 3: Cross multiply
198,087,746.64x = 273,369,627.99 × 109,981,748.58 - Step 4: Simplify right side
198,087,746.64x = 30,065,669,695,004,312 - Step 5: Solve for x
x = 30,065,669,695,004,312/198,087,746.64 - Step 6: Final answer
x = 151,779,553.28
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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.