Finding the Fourth Proportional to 70,848,305.70, 106,272,458.55 and 58,251,185.70
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Solution
The fourth proportional to 70,848,305.70, 106,272,458.55 and 58,251,185.70 is: 87,376,778.55
Step by Step Solution
- Step 1: Write the proportion equation
70,848,305.70 : 106,272,458.55 = 58,251,185.70 : x - Step 2: Convert to fraction form
70,848,305.70/106,272,458.55 = 58,251,185.70/x - Step 3: Cross multiply
70,848,305.70x = 106,272,458.55 × 58,251,185.70 - Step 4: Simplify right side
70,848,305.70x = 6,190,496,717,791,603 - Step 5: Solve for x
x = 6,190,496,717,791,603/70,848,305.70 - Step 6: Final answer
x = 87,376,778.55
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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.