Finding the Fourth Proportional to 199,584,014.40, 299,376,021.60 and 113,587,675.20
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Solution
The fourth proportional to 199,584,014.40, 299,376,021.60 and 113,587,675.20 is: 170,381,512.80
Step by Step Solution
- Step 1: Write the proportion equation
199,584,014.40 : 299,376,021.60 = 113,587,675.20 : x - Step 2: Convert to fraction form
199,584,014.40/299,376,021.60 = 113,587,675.20/x - Step 3: Cross multiply
199,584,014.40x = 299,376,021.60 × 113,587,675.20 - Step 4: Simplify right side
199,584,014.40x = 34,005,426,304,168,988 - Step 5: Solve for x
x = 34,005,426,304,168,988/199,584,014.40 - Step 6: Final answer
x = 170,381,512.80
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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.