Finding the Fourth Proportional to 69,976,926.08, 96,587,365.28 and 40,617,717.26
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Solution
The fourth proportional to 69,976,926.08, 96,587,365.28 and 40,617,717.26 is: 56,063,598.58
Step by Step Solution
- Step 1: Write the proportion equation
69,976,926.08 : 96,587,365.28 = 40,617,717.26 : x - Step 2: Convert to fraction form
69,976,926.08/96,587,365.28 = 40,617,717.26/x - Step 3: Cross multiply
69,976,926.08x = 96,587,365.28 × 40,617,717.26 - Step 4: Simplify right side
69,976,926.08x = 3,923,158,293,145,356 - Step 5: Solve for x
x = 3,923,158,293,145,356/69,976,926.08 - Step 6: Final answer
x = 56,063,598.58
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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.