Finding the Fourth Proportional to 312,577,201.92, 468,908,918.86 and 181,481,216.67
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Solution
The fourth proportional to 312,577,201.92, 468,908,918.86 and 181,481,216.67 is: 272,246,857.99
Step by Step Solution
- Step 1: Write the proportion equation
312,577,201.92 : 468,908,918.86 = 181,481,216.67 : x - Step 2: Convert to fraction form
312,577,201.92/468,908,918.86 = 181,481,216.67/x - Step 3: Cross multiply
312,577,201.92x = 468,908,918.86 × 181,481,216.67 - Step 4: Simplify right side
312,577,201.92x = 85,098,161,101,673,408 - Step 5: Solve for x
x = 85,098,161,101,673,408/312,577,201.92 - Step 6: Final answer
x = 272,246,857.99
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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.