Finding the Fourth Proportional to 316,584,078.40, 474,876,117.60 and 134,849,627.20
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Solution
The fourth proportional to 316,584,078.40, 474,876,117.60 and 134,849,627.20 is: 202,274,440.80
Step by Step Solution
- Step 1: Write the proportion equation
316,584,078.40 : 474,876,117.60 = 134,849,627.20 : x - Step 2: Convert to fraction form
316,584,078.40/474,876,117.60 = 134,849,627.20/x - Step 3: Cross multiply
316,584,078.40x = 474,876,117.60 × 134,849,627.20 - Step 4: Simplify right side
316,584,078.40x = 64,036,867,424,543,360 - Step 5: Solve for x
x = 64,036,867,424,543,360/316,584,078.40 - Step 6: Final answer
x = 202,274,440.80
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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.