Finding the Fourth Proportional to 178,086,205.80, 245,746,560.06 and 98,700,490.08
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Solution
The fourth proportional to 178,086,205.80, 245,746,560.06 and 98,700,490.08 is: 136,199,801.69
Step by Step Solution
- Step 1: Write the proportion equation
178,086,205.80 : 245,746,560.06 = 98,700,490.08 : x - Step 2: Convert to fraction form
178,086,205.80/245,746,560.06 = 98,700,490.08/x - Step 3: Cross multiply
178,086,205.80x = 245,746,560.06 × 98,700,490.08 - Step 4: Simplify right side
178,086,205.80x = 24,255,305,913,396,156 - Step 5: Solve for x
x = 24,255,305,913,396,156/178,086,205.80 - Step 6: Final answer
x = 136,199,801.69
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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.