Finding the Fourth Proportional to 56,544,920.70, 84,817,381.05 and 20,194,356.30
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Solution
The fourth proportional to 56,544,920.70, 84,817,381.05 and 20,194,356.30 is: 30,291,534.45
Step by Step Solution
- Step 1: Write the proportion equation
56,544,920.70 : 84,817,381.05 = 20,194,356.30 : x - Step 2: Convert to fraction form
56,544,920.70/84,817,381.05 = 20,194,356.30/x - Step 3: Cross multiply
56,544,920.70x = 84,817,381.05 × 20,194,356.30 - Step 4: Simplify right side
56,544,920.70x = 1,712,832,413,356,568 - Step 5: Solve for x
x = 1,712,832,413,356,568/56,544,920.70 - Step 6: Final answer
x = 30,291,534.45
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1.5x scale
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.