Finding the Fourth Proportional to 79,119,355.61, 109,183,265.61 and 43,837,031.99
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Solution
The fourth proportional to 79,119,355.61, 109,183,265.61 and 43,837,031.99 is: 60,494,303.45
Step by Step Solution
- Step 1: Write the proportion equation
79,119,355.61 : 109,183,265.61 = 43,837,031.99 : x - Step 2: Convert to fraction form
79,119,355.61/109,183,265.61 = 43,837,031.99/x - Step 3: Cross multiply
79,119,355.61x = 109,183,265.61 × 43,837,031.99 - Step 4: Simplify right side
79,119,355.61x = 4,786,270,307,318,237 - Step 5: Solve for x
x = 4,786,270,307,318,237/79,119,355.61 - Step 6: Final answer
x = 60,494,303.45
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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.