Finding the Fourth Proportional to 134,538,479.60, 201,807,719.40 and 117,532,367.60
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Solution
The fourth proportional to 134,538,479.60, 201,807,719.40 and 117,532,367.60 is: 176,298,551.40
Step by Step Solution
- Step 1: Write the proportion equation
134,538,479.60 : 201,807,719.40 = 117,532,367.60 : x - Step 2: Convert to fraction form
134,538,479.60/201,807,719.40 = 117,532,367.60/x - Step 3: Cross multiply
134,538,479.60x = 201,807,719.40 × 117,532,367.60 - Step 4: Simplify right side
134,538,479.60x = 23,718,939,061,038,452 - Step 5: Solve for x
x = 23,718,939,061,038,452/134,538,479.60 - Step 6: Final answer
x = 176,298,551.40
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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.