Finding the Fourth Proportional to 136,326,102.90, 204,489,154.35 and 78,788,757.30
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Solution
The fourth proportional to 136,326,102.90, 204,489,154.35 and 78,788,757.30 is: 118,183,135.95
Step by Step Solution
- Step 1: Write the proportion equation
136,326,102.90 : 204,489,154.35 = 78,788,757.30 : x - Step 2: Convert to fraction form
136,326,102.90/204,489,154.35 = 78,788,757.30/x - Step 3: Cross multiply
136,326,102.90x = 204,489,154.35 × 78,788,757.30 - Step 4: Simplify right side
136,326,102.90x = 16,111,446,352,564,388 - Step 5: Solve for x
x = 16,111,446,352,564,388/136,326,102.90 - Step 6: Final answer
x = 118,183,135.95
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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.