Finding the Fourth Proportional to 230,885,570.18, 318,618,148.84 and 125,038,125.41
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Solution
The fourth proportional to 230,885,570.18, 318,618,148.84 and 125,038,125.41 is: 172,550,480.40
Step by Step Solution
- Step 1: Write the proportion equation
230,885,570.18 : 318,618,148.84 = 125,038,125.41 : x - Step 2: Convert to fraction form
230,885,570.18/318,618,148.84 = 125,038,125.41/x - Step 3: Cross multiply
230,885,570.18x = 318,618,148.84 × 125,038,125.41 - Step 4: Simplify right side
230,885,570.18x = 39,839,416,052,549,808 - Step 5: Solve for x
x = 39,839,416,052,549,808/230,885,570.18 - Step 6: Final answer
x = 172,550,480.40
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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.