Finding the Fourth Proportional to 83,749,728.40, 125,628,529.20 and 26,243,875.60
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Solution
The fourth proportional to 83,749,728.40, 125,628,529.20 and 26,243,875.60 is: 39,367,046.98
Step by Step Solution
- Step 1: Write the proportion equation
83,749,728.40 : 125,628,529.20 = 26,243,875.60 : x - Step 2: Convert to fraction form
83,749,728.40/125,628,529.20 = 26,243,875.60/x - Step 3: Cross multiply
83,749,728.40x = 125,628,529.20 × 26,243,875.60 - Step 4: Simplify right side
83,749,728.40x = 3,296,979,492,135,768 - Step 5: Solve for x
x = 3,296,979,492,135,768/83,749,728.40 - Step 6: Final answer
x = 39,367,046.98
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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.