Finding the Fourth Proportional to 230,984,480.16, 346,476,720.24 and 77,630,536.80
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Solution
The fourth proportional to 230,984,480.16, 346,476,720.24 and 77,630,536.80 is: 116,445,805.20
Step by Step Solution
- Step 1: Write the proportion equation
230,984,480.16 : 346,476,720.24 = 77,630,536.80 : x - Step 2: Convert to fraction form
230,984,480.16/346,476,720.24 = 77,630,536.80/x - Step 3: Cross multiply
230,984,480.16x = 346,476,720.24 × 77,630,536.80 - Step 4: Simplify right side
230,984,480.16x = 26,897,173,780,934,624 - Step 5: Solve for x
x = 26,897,173,780,934,624/230,984,480.16 - Step 6: Final answer
x = 116,445,805.20
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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.