Finding the Fourth Proportional to 291,491,346.60, 437,259,624.30 and 97,403,455.80
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Solution
The fourth proportional to 291,491,346.60, 437,259,624.30 and 97,403,455.80 is: 146,112,737.09
Step by Step Solution
- Step 1: Write the proportion equation
291,491,346.60 : 437,259,624.30 = 97,403,455.80 : x - Step 2: Convert to fraction form
291,491,346.60/437,259,624.30 = 97,403,455.80/x - Step 3: Cross multiply
291,491,346.60x = 437,259,624.30 × 97,403,455.80 - Step 4: Simplify right side
291,491,346.60x = 42,590,598,488,629,656 - Step 5: Solve for x
x = 42,590,598,488,629,656/291,491,346.60 - Step 6: Final answer
x = 146,112,737.09
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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.