Finding the Fourth Proportional to 133,167,779.36, 199,750,735.92 and 68,489,616.32
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Solution
The fourth proportional to 133,167,779.36, 199,750,735.92 and 68,489,616.32 is: 102,733,944.57
Step by Step Solution
- Step 1: Write the proportion equation
133,167,779.36 : 199,750,735.92 = 68,489,616.32 : x - Step 2: Convert to fraction form
133,167,779.36/199,750,735.92 = 68,489,616.32/x - Step 3: Cross multiply
133,167,779.36x = 199,750,735.92 × 68,489,616.32 - Step 4: Simplify right side
133,167,779.36x = 13,680,851,262,798,440 - Step 5: Solve for x
x = 13,680,851,262,798,440/133,167,779.36 - Step 6: Final answer
x = 102,733,944.57
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.