Finding the Fourth Proportional to 73,130,230.15, 109,663,454.81 and 27,660,138.19
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Solution
The fourth proportional to 73,130,230.15, 109,663,454.81 and 27,660,138.19 is: 41,478,145.33
Step by Step Solution
- Step 1: Write the proportion equation
73,130,230.15 : 109,663,454.81 = 27,660,138.19 : x - Step 2: Convert to fraction form
73,130,230.15/109,663,454.81 = 27,660,138.19/x - Step 3: Cross multiply
73,130,230.15x = 109,663,454.81 × 27,660,138.19 - Step 4: Simplify right side
73,130,230.15x = 3,033,306,314,232,412 - Step 5: Solve for x
x = 3,033,306,314,232,412/73,130,230.15 - Step 6: Final answer
x = 41,478,145.33
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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.