Finding the Fourth Proportional to 125,936,489.58, 173,789,994.64 and 70,180,683.06
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Solution
The fourth proportional to 125,936,489.58, 173,789,994.64 and 70,180,683.06 is: 96,848,026.92
Step by Step Solution
- Step 1: Write the proportion equation
125,936,489.58 : 173,789,994.64 = 70,180,683.06 : x - Step 2: Convert to fraction form
125,936,489.58/173,789,994.64 = 70,180,683.06/x - Step 3: Cross multiply
125,936,489.58x = 173,789,994.64 × 70,180,683.06 - Step 4: Simplify right side
125,936,489.58x = 12,196,700,532,948,442 - Step 5: Solve for x
x = 12,196,700,532,948,442/125,936,489.58 - Step 6: Final answer
x = 96,848,026.92
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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.