Finding the Fourth Proportional to 197,280,740.40, 296,163,721.80 and 124,497,380.40
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Solution
The fourth proportional to 197,280,740.40, 296,163,721.80 and 124,497,380.40 is: 186,899,174.54
Step by Step Solution
- Step 1: Write the proportion equation
197,280,740.40 : 296,163,721.80 = 124,497,380.40 : x - Step 2: Convert to fraction form
197,280,740.40/296,163,721.80 = 124,497,380.40/x - Step 3: Cross multiply
197,280,740.40x = 296,163,721.80 × 124,497,380.40 - Step 4: Simplify right side
197,280,740.40x = 36,871,607,533,614,376 - Step 5: Solve for x
x = 36,871,607,533,614,376/197,280,740.40 - Step 6: Final answer
x = 186,899,174.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.