Finding the Fourth Proportional to 293,674,957.23, 440,506,036.72 and 138,142,556.12
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Solution
The fourth proportional to 293,674,957.23, 440,506,036.72 and 138,142,556.12 is: 207,210,824.08
Step by Step Solution
- Step 1: Write the proportion equation
293,674,957.23 : 440,506,036.72 = 138,142,556.12 : x - Step 2: Convert to fraction form
293,674,957.23/440,506,036.72 = 138,142,556.12/x - Step 3: Cross multiply
293,674,957.23x = 440,506,036.72 × 138,142,556.12 - Step 4: Simplify right side
293,674,957.23x = 60,852,629,898,968,728 - Step 5: Solve for x
x = 60,852,629,898,968,728/293,674,957.23 - Step 6: Final answer
x = 207,210,824.08
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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.