Finding the Fourth Proportional to 312,239,881.18, 430,891,541.73 and 171,088,674.11
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Solution
The fourth proportional to 312,239,881.18, 430,891,541.73 and 171,088,674.11 is: 236,102,647.37
Step by Step Solution
- Step 1: Write the proportion equation
312,239,881.18 : 430,891,541.73 = 171,088,674.11 : x - Step 2: Convert to fraction form
312,239,881.18/430,891,541.73 = 171,088,674.11/x - Step 3: Cross multiply
312,239,881.18x = 430,891,541.73 × 171,088,674.11 - Step 4: Simplify right side
312,239,881.18x = 73,720,662,559,799,440 - Step 5: Solve for x
x = 73,720,662,559,799,440/312,239,881.18 - Step 6: Final answer
x = 236,102,647.37
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.