Finding the Fourth Proportional to 156,194,881.98, 234,088,274.79 and 87,104,927.58
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Solution
The fourth proportional to 156,194,881.98, 234,088,274.79 and 87,104,927.58 is: 130,543,600.18
Step by Step Solution
- Step 1: Write the proportion equation
156,194,881.98 : 234,088,274.79 = 87,104,927.58 : x - Step 2: Convert to fraction form
156,194,881.98/234,088,274.79 = 87,104,927.58/x - Step 3: Cross multiply
156,194,881.98x = 234,088,274.79 × 87,104,927.58 - Step 4: Simplify right side
156,194,881.98x = 20,390,242,222,910,088 - Step 5: Solve for x
x = 20,390,242,222,910,088/156,194,881.98 - Step 6: Final answer
x = 130,543,600.18
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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.