Finding the Fourth Proportional to 125,121,479.10, 187,696,215.45 and 38,859,200.70
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Solution
The fourth proportional to 125,121,479.10, 187,696,215.45 and 38,859,200.70 is: 58,293,148.06
Step by Step Solution
- Step 1: Write the proportion equation
125,121,479.10 : 187,696,215.45 = 38,859,200.70 : x - Step 2: Convert to fraction form
125,121,479.10/187,696,215.45 = 38,859,200.70/x - Step 3: Cross multiply
125,121,479.10x = 187,696,215.45 × 38,859,200.70 - Step 4: Simplify right side
125,121,479.10x = 7,293,724,906,801,991 - Step 5: Solve for x
x = 7,293,724,906,801,991/125,121,479.10 - Step 6: Final answer
x = 58,293,148.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.