Finding the Fourth Proportional to 149,828,931.18, 224,743,685.76 and 57,756,027.60
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Solution
The fourth proportional to 149,828,931.18, 224,743,685.76 and 57,756,027.60 is: 86,634,152.80
Step by Step Solution
- Step 1: Write the proportion equation
149,828,931.18 : 224,743,685.76 = 57,756,027.60 : x - Step 2: Convert to fraction form
149,828,931.18/224,743,685.76 = 57,756,027.60/x - Step 3: Cross multiply
149,828,931.18x = 224,743,685.76 × 57,756,027.60 - Step 4: Simplify right side
149,828,931.18x = 12,980,302,517,680,286 - Step 5: Solve for x
x = 12,980,302,517,680,286/149,828,931.18 - Step 6: Final answer
x = 86,634,152.80
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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.