Finding the Fourth Proportional to 425,289,330.90, 637,933,996.35 and 102,173,202.90
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Solution
The fourth proportional to 425,289,330.90, 637,933,996.35 and 102,173,202.90 is: 153,259,804.35
Step by Step Solution
- Step 1: Write the proportion equation
425,289,330.90 : 637,933,996.35 = 102,173,202.90 : x - Step 2: Convert to fraction form
425,289,330.90/637,933,996.35 = 102,173,202.90/x - Step 3: Cross multiply
425,289,330.90x = 637,933,996.35 × 102,173,202.90 - Step 4: Simplify right side
425,289,330.90x = 65,179,759,645,876,416 - Step 5: Solve for x
x = 65,179,759,645,876,416/425,289,330.90 - Step 6: Final answer
x = 153,259,804.35
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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.