Finding the Fourth Proportional to 135,328,680.88, 203,078,416.39 and 57,605,467.43
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Solution
The fourth proportional to 135,328,680.88, 203,078,416.39 and 57,605,467.43 is: 86,444,551.34
Step by Step Solution
- Step 1: Write the proportion equation
135,328,680.88 : 203,078,416.39 = 57,605,467.43 : x - Step 2: Convert to fraction form
135,328,680.88/203,078,416.39 = 57,605,467.43/x - Step 3: Cross multiply
135,328,680.88x = 203,078,416.39 × 57,605,467.43 - Step 4: Simplify right side
135,328,680.88x = 11,698,427,101,453,804 - Step 5: Solve for x
x = 11,698,427,101,453,804/135,328,680.88 - Step 6: Final answer
x = 86,444,551.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.