Finding the Fourth Proportional to 45,130,837.23, 67,705,967.49 and 14,005,879.70
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Solution
The fourth proportional to 45,130,837.23, 67,705,967.49 and 14,005,879.70 is: 21,011,833.45
Step by Step Solution
- Step 1: Write the proportion equation
45,130,837.23 : 67,705,967.49 = 14,005,879.70 : x - Step 2: Convert to fraction form
45,130,837.23/67,705,967.49 = 14,005,879.70/x - Step 3: Cross multiply
45,130,837.23x = 67,705,967.49 × 14,005,879.70 - Step 4: Simplify right side
45,130,837.23x = 948,281,635,298,521 - Step 5: Solve for x
x = 948,281,635,298,521/45,130,837.23 - Step 6: Final answer
x = 21,011,833.45
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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.