Finding the Fourth Proportional to 234,070,509.37, 323,017,297.05 and 129,655,306.75
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Solution
The fourth proportional to 234,070,509.37, 323,017,297.05 and 129,655,306.75 is: 178,924,320.06
Step by Step Solution
- Step 1: Write the proportion equation
234,070,509.37 : 323,017,297.05 = 129,655,306.75 : x - Step 2: Convert to fraction form
234,070,509.37/323,017,297.05 = 129,655,306.75/x - Step 3: Cross multiply
234,070,509.37x = 323,017,297.05 × 129,655,306.75 - Step 4: Simplify right side
234,070,509.37x = 41,880,906,734,573,624 - Step 5: Solve for x
x = 41,880,906,734,573,624/234,070,509.37 - Step 6: Final answer
x = 178,924,320.06
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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.