Finding the Fourth Proportional to 192,390,993.87, 288,482,675.96 and 87,288,973.35
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Solution
The fourth proportional to 192,390,993.87, 288,482,675.96 and 87,288,973.35 is: 130,886,358.59
Step by Step Solution
- Step 1: Write the proportion equation
192,390,993.87 : 288,482,675.96 = 87,288,973.35 : x - Step 2: Convert to fraction form
192,390,993.87/288,482,675.96 = 87,288,973.35/x - Step 3: Cross multiply
192,390,993.87x = 288,482,675.96 × 87,288,973.35 - Step 4: Simplify right side
192,390,993.87x = 25,181,356,613,372,676 - Step 5: Solve for x
x = 25,181,356,613,372,676/192,390,993.87 - Step 6: Final answer
x = 130,886,358.59
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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.