Finding the Fourth Proportional to 87,970,831.40, 132,019,232.70 and 36,889,509.80
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Solution
The fourth proportional to 87,970,831.40, 132,019,232.70 and 36,889,509.80 is: 55,360,676.95
Step by Step Solution
- Step 1: Write the proportion equation
87,970,831.40 : 132,019,232.70 = 36,889,509.80 : x - Step 2: Convert to fraction form
87,970,831.40/132,019,232.70 = 36,889,509.80/x - Step 3: Cross multiply
87,970,831.40x = 132,019,232.70 × 36,889,509.80 - Step 4: Simplify right side
87,970,831.40x = 4,870,124,778,475,130 - Step 5: Solve for x
x = 4,870,124,778,475,130/87,970,831.40 - Step 6: Final answer
x = 55,360,676.95
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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.