Finding the Fourth Proportional to 345,750,094.08, 477,129,522.56 and 189,115,830.88
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Solution
The fourth proportional to 345,750,094.08, 477,129,522.56 and 189,115,830.88 is: 260,976,779.59
Step by Step Solution
- Step 1: Write the proportion equation
345,750,094.08 : 477,129,522.56 = 189,115,830.88 : x - Step 2: Convert to fraction form
345,750,094.08/477,129,522.56 = 189,115,830.88/x - Step 3: Cross multiply
345,750,094.08x = 477,129,522.56 × 189,115,830.88 - Step 4: Simplify right side
345,750,094.08x = 90,232,746,096,312,096 - Step 5: Solve for x
x = 90,232,746,096,312,096/345,750,094.08 - Step 6: Final answer
x = 260,976,779.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.