Finding the Fourth Proportional to 132,191,539,633.36, 198,326,212,910.10 and 42,652,853,318.12
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Solution
The fourth proportional to 132,191,539,633.36, 198,326,212,910.10 and 42,652,853,318.12 is: 63,991,832,547.34
Step by Step Solution
- Step 1: Write the proportion equation
132,191,539,633.36 : 198,326,212,910.10 = 42,652,853,318.12 : x - Step 2: Convert to fraction form
132,191,539,633.36/198,326,212,910.10 = 42,652,853,318.12/x - Step 3: Cross multiply
132,191,539,633.36x = 198,326,212,910.10 × 42,652,853,318.12 - Step 4: Simplify right side
132,191,539,633.36x = 8,459,178,868,392,732,917,760 - Step 5: Solve for x
x = 8,459,178,868,392,732,917,760/132,191,539,633.36 - Step 6: Final answer
x = 63,991,832,547.34
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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.