Finding the Fourth Proportional to 239,401,293.12, 359,117,110.80 and 101,201,143.68
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Solution
The fourth proportional to 239,401,293.12, 359,117,110.80 and 101,201,143.68 is: 151,808,128.75
Step by Step Solution
- Step 1: Write the proportion equation
239,401,293.12 : 359,117,110.80 = 101,201,143.68 : x - Step 2: Convert to fraction form
239,401,293.12/359,117,110.80 = 101,201,143.68/x - Step 3: Cross multiply
239,401,293.12x = 359,117,110.80 × 101,201,143.68 - Step 4: Simplify right side
239,401,293.12x = 36,343,062,328,017,280 - Step 5: Solve for x
x = 36,343,062,328,017,280/239,401,293.12 - Step 6: Final answer
x = 151,808,128.75
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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.