Finding the Fourth Proportional to 172,113,840.16, 258,225,336.48 and 61,447,135.96
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Solution
The fourth proportional to 172,113,840.16, 258,225,336.48 and 61,447,135.96 is: 92,190,188.45
Step by Step Solution
- Step 1: Write the proportion equation
172,113,840.16 : 258,225,336.48 = 61,447,135.96 : x - Step 2: Convert to fraction form
172,113,840.16/258,225,336.48 = 61,447,135.96/x - Step 3: Cross multiply
172,113,840.16x = 258,225,336.48 × 61,447,135.96 - Step 4: Simplify right side
172,113,840.16x = 15,867,207,359,003,308 - Step 5: Solve for x
x = 15,867,207,359,003,308/172,113,840.16 - Step 6: Final answer
x = 92,190,188.45
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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.