Finding the Fourth Proportional to 125,867,374.12, 173,699,946.66 and 70,116,545.80
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Solution
The fourth proportional to 125,867,374.12, 173,699,946.66 and 70,116,545.80 is: 96,762,487.90
Step by Step Solution
- Step 1: Write the proportion equation
125,867,374.12 : 173,699,946.66 = 70,116,545.80 : x - Step 2: Convert to fraction form
125,867,374.12/173,699,946.66 = 70,116,545.80/x - Step 3: Cross multiply
125,867,374.12x = 173,699,946.66 × 70,116,545.80 - Step 4: Simplify right side
125,867,374.12x = 12,179,240,265,443,446 - Step 5: Solve for x
x = 12,179,240,265,443,446/125,867,374.12 - Step 6: Final answer
x = 96,762,487.90
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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.