Finding the Fourth Proportional to 252,331,013.74, 348,202,270.65 and 140,813,102.15
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Solution
The fourth proportional to 252,331,013.74, 348,202,270.65 and 140,813,102.15 is: 194,313,973.45
Step by Step Solution
- Step 1: Write the proportion equation
252,331,013.74 : 348,202,270.65 = 140,813,102.15 : x - Step 2: Convert to fraction form
252,331,013.74/348,202,270.65 = 140,813,102.15/x - Step 3: Cross multiply
252,331,013.74x = 348,202,270.65 × 140,813,102.15 - Step 4: Simplify right side
252,331,013.74x = 49,031,441,904,709,448 - Step 5: Solve for x
x = 49,031,441,904,709,448/252,331,013.74 - Step 6: Final answer
x = 194,313,973.45
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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.