Finding the Fourth Proportional to 77,256,282.40, 115,884,423.60 and 26,138,301.21
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Solution
The fourth proportional to 77,256,282.40, 115,884,423.60 and 26,138,301.21 is: 39,207,451.82
Step by Step Solution
- Step 1: Write the proportion equation
77,256,282.40 : 115,884,423.60 = 26,138,301.21 : x - Step 2: Convert to fraction form
77,256,282.40/115,884,423.60 = 26,138,301.21/x - Step 3: Cross multiply
77,256,282.40x = 115,884,423.60 × 26,138,301.21 - Step 4: Simplify right side
77,256,282.40x = 3,029,021,969,604,032.50 - Step 5: Solve for x
x = 3,029,021,969,604,032.50/77,256,282.40 - Step 6: Final answer
x = 39,207,451.82
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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.