Finding the Fourth Proportional to 71,215,031.84, 106,819,337.74 and 29,698,812.32
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Solution
The fourth proportional to 71,215,031.84, 106,819,337.74 and 29,698,812.32 is: 44,546,879.81
Step by Step Solution
- Step 1: Write the proportion equation
71,215,031.84 : 106,819,337.74 = 29,698,812.32 : x - Step 2: Convert to fraction form
71,215,031.84/106,819,337.74 = 29,698,812.32/x - Step 3: Cross multiply
71,215,031.84x = 106,819,337.74 × 29,698,812.32 - Step 4: Simplify right side
71,215,031.84x = 3,172,407,463,686,953 - Step 5: Solve for x
x = 3,172,407,463,686,953/71,215,031.84 - Step 6: Final answer
x = 44,546,879.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.