Finding the Fourth Proportional to 68,515,347,070.76, 102,772,606,082.15 and 37,271,558,672.06
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Solution
The fourth proportional to 68,515,347,070.76, 102,772,606,082.15 and 37,271,558,672.06 is: 55,907,112,511.82
Step by Step Solution
- Step 1: Write the proportion equation
68,515,347,070.76 : 102,772,606,082.15 = 37,271,558,672.06 : x - Step 2: Convert to fraction form
68,515,347,070.76/102,772,606,082.15 = 37,271,558,672.06/x - Step 3: Cross multiply
68,515,347,070.76x = 102,772,606,082.15 × 37,271,558,672.06 - Step 4: Simplify right side
68,515,347,070.76x = 3,830,495,217,470,850,203,648 - Step 5: Solve for x
x = 3,830,495,217,470,850,203,648/68,515,347,070.76 - Step 6: Final answer
x = 55,907,112,511.82
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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.