Finding the Fourth Proportional to 53,908,173.68, 80,850,353.96 and 15,561,355.12
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Solution
The fourth proportional to 53,908,173.68, 80,850,353.96 and 15,561,355.12 is: 23,338,595.68
Step by Step Solution
- Step 1: Write the proportion equation
53,908,173.68 : 80,850,353.96 = 15,561,355.12 : x - Step 2: Convert to fraction form
53,908,173.68/80,850,353.96 = 15,561,355.12/x - Step 3: Cross multiply
53,908,173.68x = 80,850,353.96 × 15,561,355.12 - Step 4: Simplify right side
53,908,173.68x = 1,258,141,069,549,258 - Step 5: Solve for x
x = 1,258,141,069,549,258/53,908,173.68 - Step 6: Final answer
x = 23,338,595.68
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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.