Finding the Fourth Proportional to 147,444,502.60, 220,884,744.30 and 79,264,534.60
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Solution
The fourth proportional to 147,444,502.60, 220,884,744.30 and 79,264,534.60 is: 118,745,196.66
Step by Step Solution
- Step 1: Write the proportion equation
147,444,502.60 : 220,884,744.30 = 79,264,534.60 : x - Step 2: Convert to fraction form
147,444,502.60/220,884,744.30 = 79,264,534.60/x - Step 3: Cross multiply
147,444,502.60x = 220,884,744.30 × 79,264,534.60 - Step 4: Simplify right side
147,444,502.60x = 17,508,326,457,179,502 - Step 5: Solve for x
x = 17,508,326,457,179,502/147,444,502.60 - Step 6: Final answer
x = 118,745,196.66
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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.