Finding the Fourth Proportional to 70,330,424.23, 97,002,613.90 and 61,613,463.23
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Solution
The fourth proportional to 70,330,424.23, 97,002,613.90 and 61,613,463.23 is: 84,979,822.75
Step by Step Solution
- Step 1: Write the proportion equation
70,330,424.23 : 97,002,613.90 = 61,613,463.23 : x - Step 2: Convert to fraction form
70,330,424.23/97,002,613.90 = 61,613,463.23/x - Step 3: Cross multiply
70,330,424.23x = 97,002,613.90 × 61,613,463.23 - Step 4: Simplify right side
70,330,424.23x = 5,976,666,984,741,537 - Step 5: Solve for x
x = 5,976,666,984,741,537/70,330,424.23 - Step 6: Final answer
x = 84,979,822.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.