Finding the Fourth Proportional to 293,554,276.38, 440,331,539.31 and 86,292,701.55
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Solution
The fourth proportional to 293,554,276.38, 440,331,539.31 and 86,292,701.55 is: 129,439,088.99
Step by Step Solution
- Step 1: Write the proportion equation
293,554,276.38 : 440,331,539.31 = 86,292,701.55 : x - Step 2: Convert to fraction form
293,554,276.38/440,331,539.31 = 86,292,701.55/x - Step 3: Cross multiply
293,554,276.38x = 440,331,539.31 × 86,292,701.55 - Step 4: Simplify right side
293,554,276.38x = 37,997,398,104,729,920 - Step 5: Solve for x
x = 37,997,398,104,729,920/293,554,276.38 - Step 6: Final answer
x = 129,439,088.99
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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.