Finding the Fourth Proportional to 125,829,831.20, 188,751,472.88 and 39,574,964.03
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Solution
The fourth proportional to 125,829,831.20, 188,751,472.88 and 39,574,964.03 is: 59,364,561.47
Step by Step Solution
- Step 1: Write the proportion equation
125,829,831.20 : 188,751,472.88 = 39,574,964.03 : x - Step 2: Convert to fraction form
125,829,831.20/188,751,472.88 = 39,574,964.03/x - Step 3: Cross multiply
125,829,831.20x = 188,751,472.88 × 39,574,964.03 - Step 4: Simplify right side
125,829,831.20x = 7,469,832,748,693,888 - Step 5: Solve for x
x = 7,469,832,748,693,888/125,829,831.20 - Step 6: Final answer
x = 59,364,561.47
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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.