Finding the Fourth Proportional to 132,885,268.80, 199,327,903.20 and 97,053,460.80
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Solution
The fourth proportional to 132,885,268.80, 199,327,903.20 and 97,053,460.80 is: 145,580,191.20
Step by Step Solution
- Step 1: Write the proportion equation
132,885,268.80 : 199,327,903.20 = 97,053,460.80 : x - Step 2: Convert to fraction form
132,885,268.80/199,327,903.20 = 97,053,460.80/x - Step 3: Cross multiply
132,885,268.80x = 199,327,903.20 × 97,053,460.80 - Step 4: Simplify right side
132,885,268.80x = 19,345,462,839,567,392 - Step 5: Solve for x
x = 19,345,462,839,567,392/132,885,268.80 - Step 6: Final answer
x = 145,580,191.20
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1.5x scale
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.