Finding the Fourth Proportional to 56,544,917.70, 84,817,376.55 and 20,194,353.30
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Solution
The fourth proportional to 56,544,917.70, 84,817,376.55 and 20,194,353.30 is: 30,291,529.95
Step by Step Solution
- Step 1: Write the proportion equation
56,544,917.70 : 84,817,376.55 = 20,194,353.30 : x - Step 2: Convert to fraction form
56,544,917.70/84,817,376.55 = 20,194,353.30/x - Step 3: Cross multiply
56,544,917.70x = 84,817,376.55 × 20,194,353.30 - Step 4: Simplify right side
56,544,917.70x = 1,712,832,068,029,835 - Step 5: Solve for x
x = 1,712,832,068,029,835/56,544,917.70 - Step 6: Final answer
x = 30,291,529.95
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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.