Finding the Fourth Proportional to 70,848,134.20, 106,272,201.30 and 58,251,014.20
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Solution
The fourth proportional to 70,848,134.20, 106,272,201.30 and 58,251,014.20 is: 87,376,521.30
Step by Step Solution
- Step 1: Write the proportion equation
70,848,134.20 : 106,272,201.30 = 58,251,014.20 : x - Step 2: Convert to fraction form
70,848,134.20/106,272,201.30 = 58,251,014.20/x - Step 3: Cross multiply
70,848,134.20x = 106,272,201.30 × 58,251,014.20 - Step 4: Simplify right side
70,848,134.20x = 6,190,463,506,991,559 - Step 5: Solve for x
x = 6,190,463,506,991,559/70,848,134.20 - Step 6: Final answer
x = 87,376,521.30
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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.