Finding the Fourth Proportional to 99,613,690.91, 149,465,937.05 and 51,125,595.11
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Solution
The fourth proportional to 99,613,690.91, 149,465,937.05 and 51,125,595.11 is: 76,711,694.05
Step by Step Solution
- Step 1: Write the proportion equation
99,613,690.91 : 149,465,937.05 = 51,125,595.11 : x - Step 2: Convert to fraction form
99,613,690.91/149,465,937.05 = 51,125,595.11/x - Step 3: Cross multiply
99,613,690.91x = 149,465,937.05 × 51,125,595.11 - Step 4: Simplify right side
99,613,690.91x = 7,641,534,980,355,048 - Step 5: Solve for x
x = 7,641,534,980,355,048/99,613,690.91 - Step 6: Final answer
x = 76,711,694.05
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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.