Finding the Fourth Proportional to 266,121,036.40, 399,239,615.40 and 151,160,652.40
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Solution
The fourth proportional to 266,121,036.40, 399,239,615.40 and 151,160,652.40 is: 226,773,957.99
Step by Step Solution
- Step 1: Write the proportion equation
266,121,036.40 : 399,239,615.40 = 151,160,652.40 : x - Step 2: Convert to fraction form
266,121,036.40/399,239,615.40 = 151,160,652.40/x - Step 3: Cross multiply
266,121,036.40x = 399,239,615.40 × 151,160,652.40 - Step 4: Simplify right side
266,121,036.40x = 60,349,320,727,789,088 - Step 5: Solve for x
x = 60,349,320,727,789,088/266,121,036.40 - Step 6: Final answer
x = 226,773,957.99
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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.