Finding the Fourth Proportional to 129,149,925.12, 193,724,902.26 and 52,473,005.28
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Solution
The fourth proportional to 129,149,925.12, 193,724,902.26 and 52,473,005.28 is: 78,709,513.84
Step by Step Solution
- Step 1: Write the proportion equation
129,149,925.12 : 193,724,902.26 = 52,473,005.28 : x - Step 2: Convert to fraction form
129,149,925.12/193,724,902.26 = 52,473,005.28/x - Step 3: Cross multiply
129,149,925.12x = 193,724,902.26 × 52,473,005.28 - Step 4: Simplify right side
129,149,925.12x = 10,165,327,819,156,464 - Step 5: Solve for x
x = 10,165,327,819,156,464/129,149,925.12 - Step 6: Final answer
x = 78,709,513.84
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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.