Finding the Fourth Proportional to 102,653,223.39, 141,613,962.57 and 90,904,464.99
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Solution
The fourth proportional to 102,653,223.39, 141,613,962.57 and 90,904,464.99 is: 125,406,110.76
Step by Step Solution
- Step 1: Write the proportion equation
102,653,223.39 : 141,613,962.57 = 90,904,464.99 : x - Step 2: Convert to fraction form
102,653,223.39/141,613,962.57 = 90,904,464.99/x - Step 3: Cross multiply
102,653,223.39x = 141,613,962.57 × 90,904,464.99 - Step 4: Simplify right side
102,653,223.39x = 12,873,341,502,539,734 - Step 5: Solve for x
x = 12,873,341,502,539,734/102,653,223.39 - Step 6: Final answer
x = 125,406,110.76
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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.