Finding the Fourth Proportional to 234,708,828.55, 351,988,495.49 and 77,105,260.15
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Solution
The fourth proportional to 234,708,828.55, 351,988,495.49 and 77,105,260.15 is: 115,633,334.64
Step by Step Solution
- Step 1: Write the proportion equation
234,708,828.55 : 351,988,495.49 = 77,105,260.15 : x - Step 2: Convert to fraction form
234,708,828.55/351,988,495.49 = 77,105,260.15/x - Step 3: Cross multiply
234,708,828.55x = 351,988,495.49 × 77,105,260.15 - Step 4: Simplify right side
234,708,828.55x = 27,140,164,513,876,340 - Step 5: Solve for x
x = 27,140,164,513,876,340/234,708,828.55 - Step 6: Final answer
x = 115,633,334.64
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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.