Finding the Fourth Proportional to 194,230,813.80, 291,346,220.70 and 148,881,181.80
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Solution
The fourth proportional to 194,230,813.80, 291,346,220.70 and 148,881,181.80 is: 223,321,772.70
Step by Step Solution
- Step 1: Write the proportion equation
194,230,813.80 : 291,346,220.70 = 148,881,181.80 : x - Step 2: Convert to fraction form
194,230,813.80/291,346,220.70 = 148,881,181.80/x - Step 3: Cross multiply
194,230,813.80x = 291,346,220.70 × 148,881,181.80 - Step 4: Simplify right side
194,230,813.80x = 43,375,969,650,779,624 - Step 5: Solve for x
x = 43,375,969,650,779,624/194,230,813.80 - Step 6: Final answer
x = 223,321,772.70
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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.