Finding the Fourth Proportional to 205,358,070, 283,491,857.69 and 137,579,894.26
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Solution
The fourth proportional to 205,358,070, 283,491,857.69 and 137,579,894.26 is: 189,925,722.44
Step by Step Solution
- Step 1: Write the proportion equation
205,358,070 : 283,491,857.69 = 137,579,894.26 : x - Step 2: Convert to fraction form
205,358,070/283,491,857.69 = 137,579,894.26/x - Step 3: Cross multiply
205,358,070x = 283,491,857.69 × 137,579,894.26 - Step 4: Simplify right side
205,358,070x = 39,002,779,803,164,536 - Step 5: Solve for x
x = 39,002,779,803,164,536/205,358,070 - Step 6: Final answer
x = 189,925,722.44
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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.