Finding the Fourth Proportional to 99,667,739.70, 149,501,609.55 and 97,428,251.70
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Solution
The fourth proportional to 99,667,739.70, 149,501,609.55 and 97,428,251.70 is: 146,142,377.55
Step by Step Solution
- Step 1: Write the proportion equation
99,667,739.70 : 149,501,609.55 = 97,428,251.70 : x - Step 2: Convert to fraction form
99,667,739.70/149,501,609.55 = 97,428,251.70/x - Step 3: Cross multiply
99,667,739.70x = 149,501,609.55 × 97,428,251.70 - Step 4: Simplify right side
99,667,739.70x = 14,565,680,444,792,526 - Step 5: Solve for x
x = 14,565,680,444,792,526/99,667,739.70 - Step 6: Final answer
x = 146,142,377.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.