Finding the Fourth Proportional to 251,640,787,530.24, 347,264,273,511.06 and 135,897,536,023.49
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Solution
The fourth proportional to 251,640,787,530.24, 347,264,273,511.06 and 135,897,536,023.49 is: 187,538,592,540.25
Step by Step Solution
- Step 1: Write the proportion equation
251,640,787,530.24 : 347,264,273,511.06 = 135,897,536,023.49 : x - Step 2: Convert to fraction form
251,640,787,530.24/347,264,273,511.06 = 135,897,536,023.49/x - Step 3: Cross multiply
251,640,787,530.24x = 347,264,273,511.06 × 135,897,536,023.49 - Step 4: Simplify right side
251,640,787,530.24x = 47,192,359,119,140,358,717,440 - Step 5: Solve for x
x = 47,192,359,119,140,358,717,440/251,640,787,530.24 - Step 6: Final answer
x = 187,538,592,540.25
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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.