Finding the Fourth Proportional to 283,508,528.63, 391,242,033.16 and 153,128,336.63
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Solution
The fourth proportional to 283,508,528.63, 391,242,033.16 and 153,128,336.63 is: 211,317,246.95
Step by Step Solution
- Step 1: Write the proportion equation
283,508,528.63 : 391,242,033.16 = 153,128,336.63 : x - Step 2: Convert to fraction form
283,508,528.63/391,242,033.16 = 153,128,336.63/x - Step 3: Cross multiply
283,508,528.63x = 391,242,033.16 × 153,128,336.63 - Step 4: Simplify right side
283,508,528.63x = 59,910,241,755,191,080 - Step 5: Solve for x
x = 59,910,241,755,191,080/283,508,528.63 - Step 6: Final answer
x = 211,317,246.95
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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.