Finding the Fourth Proportional to 125,918,212.54, 173,762,545.80 and 70,160,752.12
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Solution
The fourth proportional to 125,918,212.54, 173,762,545.80 and 70,160,752.12 is: 96,819,281.80
Step by Step Solution
- Step 1: Write the proportion equation
125,918,212.54 : 173,762,545.80 = 70,160,752.12 : x - Step 2: Convert to fraction form
125,918,212.54/173,762,545.80 = 70,160,752.12/x - Step 3: Cross multiply
125,918,212.54x = 173,762,545.80 × 70,160,752.12 - Step 4: Simplify right side
125,918,212.54x = 12,191,310,903,613,948 - Step 5: Solve for x
x = 12,191,310,903,613,948/125,918,212.54 - Step 6: Final answer
x = 96,819,281.80
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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.