Finding the Fourth Proportional to 252,360,588.61, 348,258,094.14 and 139,330,299.07
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Solution
The fourth proportional to 252,360,588.61, 348,258,094.14 and 139,330,299.07 is: 192,276,078.75
Step by Step Solution
- Step 1: Write the proportion equation
252,360,588.61 : 348,258,094.14 = 139,330,299.07 : x - Step 2: Convert to fraction form
252,360,588.61/348,258,094.14 = 139,330,299.07/x - Step 3: Cross multiply
252,360,588.61x = 348,258,094.14 × 139,330,299.07 - Step 4: Simplify right side
252,360,588.61x = 48,522,904,410,074,408 - Step 5: Solve for x
x = 48,522,904,410,074,408/252,360,588.61 - Step 6: Final answer
x = 192,276,078.75
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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.