Finding the Fourth Proportional to 131,899,420.14, 197,791,393.41 and 54,122,964.18
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Solution
The fourth proportional to 131,899,420.14, 197,791,393.41 and 54,122,964.18 is: 81,160,754.83
Step by Step Solution
- Step 1: Write the proportion equation
131,899,420.14 : 197,791,393.41 = 54,122,964.18 : x - Step 2: Convert to fraction form
131,899,420.14/197,791,393.41 = 54,122,964.18/x - Step 3: Cross multiply
131,899,420.14x = 197,791,393.41 × 54,122,964.18 - Step 4: Simplify right side
131,899,420.14x = 10,705,056,500,641,718 - Step 5: Solve for x
x = 10,705,056,500,641,718/131,899,420.14 - Step 6: Final answer
x = 81,160,754.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.