Finding the Fourth Proportional to 197,292,519.60, 295,938,779.40 and 191,623,815.60
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Solution
The fourth proportional to 197,292,519.60, 295,938,779.40 and 191,623,815.60 is: 287,435,723.40
Step by Step Solution
- Step 1: Write the proportion equation
197,292,519.60 : 295,938,779.40 = 191,623,815.60 : x - Step 2: Convert to fraction form
197,292,519.60/295,938,779.40 = 191,623,815.60/x - Step 3: Cross multiply
197,292,519.60x = 295,938,779.40 × 191,623,815.60 - Step 4: Simplify right side
197,292,519.60x = 56,708,918,092,634,672 - Step 5: Solve for x
x = 56,708,918,092,634,672/197,292,519.60 - Step 6: Final answer
x = 287,435,723.40
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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.