Finding the Fourth Proportional to 98,839,134.48, 148,325,682.12 and 40,557,349.20
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Solution
The fourth proportional to 98,839,134.48, 148,325,682.12 and 40,557,349.20 is: 60,863,508.33
Step by Step Solution
- Step 1: Write the proportion equation
98,839,134.48 : 148,325,682.12 = 40,557,349.20 : x - Step 2: Convert to fraction form
98,839,134.48/148,325,682.12 = 40,557,349.20/x - Step 3: Cross multiply
98,839,134.48x = 148,325,682.12 × 40,557,349.20 - Step 4: Simplify right side
98,839,134.48x = 6,015,696,485,069,037 - Step 5: Solve for x
x = 6,015,696,485,069,037/98,839,134.48 - Step 6: Final answer
x = 60,863,508.33
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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.