Finding the Fourth Proportional to 158,271,207.31, 218,426,382.94 and 99,584,177.68
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Solution
The fourth proportional to 158,271,207.31, 218,426,382.94 and 99,584,177.68 is: 137,433,789.11
Step by Step Solution
- Step 1: Write the proportion equation
158,271,207.31 : 218,426,382.94 = 99,584,177.68 : x - Step 2: Convert to fraction form
158,271,207.31/218,426,382.94 = 99,584,177.68/x - Step 3: Cross multiply
158,271,207.31x = 218,426,382.94 × 99,584,177.68 - Step 4: Simplify right side
158,271,207.31x = 21,751,811,727,901,652 - Step 5: Solve for x
x = 21,751,811,727,901,652/158,271,207.31 - Step 6: Final answer
x = 137,433,789.11
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.