Finding the Fourth Proportional to 155,601,195.24, 214,730,318.93 and 85,038,252.60
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Solution
The fourth proportional to 155,601,195.24, 214,730,318.93 and 85,038,252.60 is: 117,353,154.48
Step by Step Solution
- Step 1: Write the proportion equation
155,601,195.24 : 214,730,318.93 = 85,038,252.60 : x - Step 2: Convert to fraction form
155,601,195.24/214,730,318.93 = 85,038,252.60/x - Step 3: Cross multiply
155,601,195.24x = 214,730,318.93 × 85,038,252.60 - Step 4: Simplify right side
155,601,195.24x = 18,260,291,101,622,712 - Step 5: Solve for x
x = 18,260,291,101,622,712/155,601,195.24 - Step 6: Final answer
x = 117,353,154.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.