Finding the Fourth Proportional to 134,864,012.67, 186,112,923.84 and 72,984,356.70
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Solution
The fourth proportional to 134,864,012.67, 186,112,923.84 and 72,984,356.70 is: 100,718,729.56
Step by Step Solution
- Step 1: Write the proportion equation
134,864,012.67 : 186,112,923.84 = 72,984,356.70 : x - Step 2: Convert to fraction form
134,864,012.67/186,112,923.84 = 72,984,356.70/x - Step 3: Cross multiply
134,864,012.67x = 186,112,923.84 × 72,984,356.70 - Step 4: Simplify right side
134,864,012.67x = 13,583,332,020,018,494 - Step 5: Solve for x
x = 13,583,332,020,018,494/134,864,012.67 - Step 6: Final answer
x = 100,718,729.56
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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.