Finding the Fourth Proportional to 212,593,489.19, 293,379,019.19 and 114,808,345.19
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Solution
The fourth proportional to 212,593,489.19, 293,379,019.19 and 114,808,345.19 is: 158,435,518.58
Step by Step Solution
- Step 1: Write the proportion equation
212,593,489.19 : 293,379,019.19 = 114,808,345.19 : x - Step 2: Convert to fraction form
212,593,489.19/293,379,019.19 = 114,808,345.19/x - Step 3: Cross multiply
212,593,489.19x = 293,379,019.19 × 114,808,345.19 - Step 4: Simplify right side
212,593,489.19x = 33,682,359,706,669,152 - Step 5: Solve for x
x = 33,682,359,706,669,152/212,593,489.19 - Step 6: Final answer
x = 158,435,518.58
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1.5x scale
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.