Finding the Fourth Proportional to 176,477,918.15, 264,619,679.91 and 72,823,562.07
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Solution
The fourth proportional to 176,477,918.15, 264,619,679.91 and 72,823,562.07 is: 109,195,234.66
Step by Step Solution
- Step 1: Write the proportion equation
176,477,918.15 : 264,619,679.91 = 72,823,562.07 : x - Step 2: Convert to fraction form
176,477,918.15/264,619,679.91 = 72,823,562.07/x - Step 3: Cross multiply
176,477,918.15x = 264,619,679.91 × 72,823,562.07 - Step 4: Simplify right side
176,477,918.15x = 19,270,547,684,869,416 - Step 5: Solve for x
x = 19,270,547,684,869,416/176,477,918.15 - Step 6: Final answer
x = 109,195,234.66
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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.