Finding the Fourth Proportional to 212,824,870.41, 293,707,036.80 and 134,479,838.19
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Solution
The fourth proportional to 212,824,870.41, 293,707,036.80 and 134,479,838.19 is: 185,587,683.94
Step by Step Solution
- Step 1: Write the proportion equation
212,824,870.41 : 293,707,036.80 = 134,479,838.19 : x - Step 2: Convert to fraction form
212,824,870.41/293,707,036.80 = 134,479,838.19/x - Step 3: Cross multiply
212,824,870.41x = 293,707,036.80 × 134,479,838.19 - Step 4: Simplify right side
212,824,870.41x = 39,497,674,784,128,376 - Step 5: Solve for x
x = 39,497,674,784,128,376/212,824,870.41 - Step 6: Final answer
x = 185,587,683.94
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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.