Finding the Fourth Proportional to 276,769,229.96, 381,949,508.96 and 153,017,878.70
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Solution
The fourth proportional to 276,769,229.96, 381,949,508.96 and 153,017,878.70 is: 211,169,079.89
Step by Step Solution
- Step 1: Write the proportion equation
276,769,229.96 : 381,949,508.96 = 153,017,878.70 : x - Step 2: Convert to fraction form
276,769,229.96/381,949,508.96 = 153,017,878.70/x - Step 3: Cross multiply
276,769,229.96x = 381,949,508.96 × 153,017,878.70 - Step 4: Simplify right side
276,769,229.96x = 58,445,103,631,565,832 - Step 5: Solve for x
x = 58,445,103,631,565,832/276,769,229.96 - Step 6: Final answer
x = 211,169,079.89
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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.