Finding the Fourth Proportional to 219,164,057.97, 302,476,489.82 and 134,376,178.13
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Solution
The fourth proportional to 219,164,057.97, 302,476,489.82 and 134,376,178.13 is: 185,457,574.81
Step by Step Solution
- Step 1: Write the proportion equation
219,164,057.97 : 302,476,489.82 = 134,376,178.13 : x - Step 2: Convert to fraction form
219,164,057.97/302,476,489.82 = 134,376,178.13/x - Step 3: Cross multiply
219,164,057.97x = 302,476,489.82 × 134,376,178.13 - Step 4: Simplify right side
219,164,057.97x = 40,645,634,676,303,968 - Step 5: Solve for x
x = 40,645,634,676,303,968/219,164,057.97 - Step 6: Final answer
x = 185,457,574.81
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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.