Finding the Fourth Proportional to 117,414,727.20, 176,122,090.80 and 31,152,967.20
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Solution
The fourth proportional to 117,414,727.20, 176,122,090.80 and 31,152,967.20 is: 46,729,450.80
Step by Step Solution
- Step 1: Write the proportion equation
117,414,727.20 : 176,122,090.80 = 31,152,967.20 : x - Step 2: Convert to fraction form
117,414,727.20/176,122,090.80 = 31,152,967.20/x - Step 3: Cross multiply
117,414,727.20x = 176,122,090.80 × 31,152,967.20 - Step 4: Simplify right side
117,414,727.20x = 5,486,725,717,887,822 - Step 5: Solve for x
x = 5,486,725,717,887,822/117,414,727.20 - Step 6: Final answer
x = 46,729,450.80
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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.