Finding the Fourth Proportional to 295,258,981.20, 442,888,471.80 and 122,678,437.20
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Solution
The fourth proportional to 295,258,981.20, 442,888,471.80 and 122,678,437.20 is: 184,017,655.80
Step by Step Solution
- Step 1: Write the proportion equation
295,258,981.20 : 442,888,471.80 = 122,678,437.20 : x - Step 2: Convert to fraction form
295,258,981.20/442,888,471.80 = 122,678,437.20/x - Step 3: Cross multiply
295,258,981.20x = 442,888,471.80 × 122,678,437.20 - Step 4: Simplify right side
295,258,981.20x = 54,332,865,574,320,272 - Step 5: Solve for x
x = 54,332,865,574,320,272/295,258,981.20 - Step 6: Final answer
x = 184,017,655.80
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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.