Finding the Fourth Proportional to 80,798,781.30, 121,215,214.35 and 26,207,127.06
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Solution
The fourth proportional to 80,798,781.30, 121,215,214.35 and 26,207,127.06 is: 39,316,218.30
Step by Step Solution
- Step 1: Write the proportion equation
80,798,781.30 : 121,215,214.35 = 26,207,127.06 : x - Step 2: Convert to fraction form
80,798,781.30/121,215,214.35 = 26,207,127.06/x - Step 3: Cross multiply
80,798,781.30x = 121,215,214.35 × 26,207,127.06 - Step 4: Simplify right side
80,798,781.30x = 3,176,702,524,075,585 - Step 5: Solve for x
x = 3,176,702,524,075,585/80,798,781.30 - Step 6: Final answer
x = 39,316,218.30
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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.