Finding the Fourth Proportional to 58,996,651.48, 81,389,550.97 and 56,261,391.07
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Solution
The fourth proportional to 58,996,651.48, 81,389,550.97 and 56,261,391.07 is: 77,616,089.07
Step by Step Solution
- Step 1: Write the proportion equation
58,996,651.48 : 81,389,550.97 = 56,261,391.07 : x - Step 2: Convert to fraction form
58,996,651.48/81,389,550.97 = 56,261,391.07/x - Step 3: Cross multiply
58,996,651.48x = 81,389,550.97 × 56,261,391.07 - Step 4: Simplify right side
58,996,651.48x = 4,579,089,355,446,613 - Step 5: Solve for x
x = 4,579,089,355,446,613/58,996,651.48 - Step 6: Final answer
x = 77,616,089.07
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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.