Finding the Fourth Proportional to 129,102,125.00, 178,164,666.38 and 70,368,594.28
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Solution
The fourth proportional to 129,102,125.00, 178,164,666.38 and 70,368,594.28 is: 97,110,695.30
Step by Step Solution
- Step 1: Write the proportion equation
129,102,125.00 : 178,164,666.38 = 70,368,594.28 : x - Step 2: Convert to fraction form
129,102,125.00/178,164,666.38 = 70,368,594.28/x - Step 3: Cross multiply
129,102,125.00x = 178,164,666.38 × 70,368,594.28 - Step 4: Simplify right side
129,102,125.00x = 12,537,197,123,256,286 - Step 5: Solve for x
x = 12,537,197,123,256,286/129,102,125.00 - Step 6: Final answer
x = 97,110,695.30
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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.