Finding the Fourth Proportional to 56,134,416.80, 84,201,625.20 and 27,398,986.40
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Solution
The fourth proportional to 56,134,416.80, 84,201,625.20 and 27,398,986.40 is: 41,098,479.60
Step by Step Solution
- Step 1: Write the proportion equation
56,134,416.80 : 84,201,625.20 = 27,398,986.40 : x - Step 2: Convert to fraction form
56,134,416.80/84,201,625.20 = 27,398,986.40/x - Step 3: Cross multiply
56,134,416.80x = 84,201,625.20 × 27,398,986.40 - Step 4: Simplify right side
56,134,416.80x = 2,307,039,183,712,697 - Step 5: Solve for x
x = 2,307,039,183,712,697/56,134,416.80 - Step 6: Final answer
x = 41,098,479.60
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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.