Finding the Fourth Proportional to 348,059,401.04, 521,618,794.68 and 132,531,075.92
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Solution
The fourth proportional to 348,059,401.04, 521,618,794.68 and 132,531,075.92 is: 198,617,534.46
Step by Step Solution
- Step 1: Write the proportion equation
348,059,401.04 : 521,618,794.68 = 132,531,075.92 : x - Step 2: Convert to fraction form
348,059,401.04/521,618,794.68 = 132,531,075.92/x - Step 3: Cross multiply
348,059,401.04x = 521,618,794.68 × 132,531,075.92 - Step 4: Simplify right side
348,059,401.04x = 69,130,700,079,033,976 - Step 5: Solve for x
x = 69,130,700,079,033,976/348,059,401.04 - Step 6: Final answer
x = 198,617,534.46
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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.