Finding the Fourth Proportional to 283,836,555.36, 391,670,985.60 and 160,107,642.72
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Solution
The fourth proportional to 283,836,555.36, 391,670,985.60 and 160,107,642.72 is: 220,935,313.09
Step by Step Solution
- Step 1: Write the proportion equation
283,836,555.36 : 391,670,985.60 = 160,107,642.72 : x - Step 2: Convert to fraction form
283,836,555.36/391,670,985.60 = 160,107,642.72/x - Step 3: Cross multiply
283,836,555.36x = 391,670,985.60 × 160,107,642.72 - Step 4: Simplify right side
283,836,555.36x = 62,709,518,226,235,072 - Step 5: Solve for x
x = 62,709,518,226,235,072/283,836,555.36 - Step 6: Final answer
x = 220,935,313.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.