Finding the Fourth Proportional to 248,924,108.90, 343,506,267.16 and 137,412,555.46
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Solution
The fourth proportional to 248,924,108.90, 343,506,267.16 and 137,412,555.46 is: 189,624,356.58
Step by Step Solution
- Step 1: Write the proportion equation
248,924,108.90 : 343,506,267.16 = 137,412,555.46 : x - Step 2: Convert to fraction form
248,924,108.90/343,506,267.16 = 137,412,555.46/x - Step 3: Cross multiply
248,924,108.90x = 343,506,267.16 × 137,412,555.46 - Step 4: Simplify right side
248,924,108.90x = 47,202,073,986,981,080 - Step 5: Solve for x
x = 47,202,073,986,981,080/248,924,108.90 - Step 6: Final answer
x = 189,624,356.58
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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.