Finding the Fourth Proportional to 70,848,281.20, 106,272,421.80 and 58,251,161.20
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Solution
The fourth proportional to 70,848,281.20, 106,272,421.80 and 58,251,161.20 is: 87,376,741.80
Step by Step Solution
- Step 1: Write the proportion equation
70,848,281.20 : 106,272,421.80 = 58,251,161.20 : x - Step 2: Convert to fraction form
70,848,281.20/106,272,421.80 = 58,251,161.20/x - Step 3: Cross multiply
70,848,281.20x = 106,272,421.80 × 58,251,161.20 - Step 4: Simplify right side
70,848,281.20x = 6,190,491,973,386,194 - Step 5: Solve for x
x = 6,190,491,973,386,194/70,848,281.20 - Step 6: Final answer
x = 87,376,741.80
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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.