Finding the Fourth Proportional to 299,175,764.21, 448,406,613.08 and 139,243,839.44
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Solution
The fourth proportional to 299,175,764.21, 448,406,613.08 and 139,243,839.44 is: 208,699,587.01
Step by Step Solution
- Step 1: Write the proportion equation
299,175,764.21 : 448,406,613.08 = 139,243,839.44 : x - Step 2: Convert to fraction form
299,175,764.21/448,406,613.08 = 139,243,839.44/x - Step 3: Cross multiply
299,175,764.21x = 448,406,613.08 × 139,243,839.44 - Step 4: Simplify right side
299,175,764.21x = 62,437,858,434,849,504 - Step 5: Solve for x
x = 62,437,858,434,849,504/299,175,764.21 - Step 6: Final answer
x = 208,699,587.01
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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.