Finding the Fourth Proportional to 83,251,317.68, 124,833,948.50 and 36,545,687.36
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Solution
The fourth proportional to 83,251,317.68, 124,833,948.50 and 36,545,687.36 is: 54,799,642.59
Step by Step Solution
- Step 1: Write the proportion equation
83,251,317.68 : 124,833,948.50 = 36,545,687.36 : x - Step 2: Convert to fraction form
83,251,317.68/124,833,948.50 = 36,545,687.36/x - Step 3: Cross multiply
83,251,317.68x = 124,833,948.50 × 36,545,687.36 - Step 4: Simplify right side
83,251,317.68x = 4,562,142,453,557,531 - Step 5: Solve for x
x = 4,562,142,453,557,531/83,251,317.68 - Step 6: Final answer
x = 54,799,642.59
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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.