Finding the Fourth Proportional to 261,134,883.24, 391,688,149.77 and 79,367,889.48
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Solution
The fourth proportional to 261,134,883.24, 391,688,149.77 and 79,367,889.48 is: 119,047,525.92
Step by Step Solution
- Step 1: Write the proportion equation
261,134,883.24 : 391,688,149.77 = 79,367,889.48 : x - Step 2: Convert to fraction form
261,134,883.24/391,688,149.77 = 79,367,889.48/x - Step 3: Cross multiply
261,134,883.24x = 391,688,149.77 × 79,367,889.48 - Step 4: Simplify right side
261,134,883.24x = 31,087,461,781,571,048 - Step 5: Solve for x
x = 31,087,461,781,571,048/261,134,883.24 - Step 6: Final answer
x = 119,047,525.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.