Finding the Fourth Proportional to 295,258,619.70, 442,887,929.55 and 122,678,075.70
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Solution
The fourth proportional to 295,258,619.70, 442,887,929.55 and 122,678,075.70 is: 184,017,113.55
Step by Step Solution
- Step 1: Write the proportion equation
295,258,619.70 : 442,887,929.55 = 122,678,075.70 : x - Step 2: Convert to fraction form
295,258,619.70/442,887,929.55 = 122,678,075.70/x - Step 3: Cross multiply
295,258,619.70x = 442,887,929.55 × 122,678,075.70 - Step 4: Simplify right side
295,258,619.70x = 54,332,638,947,951,168 - Step 5: Solve for x
x = 54,332,638,947,951,168/295,258,619.70 - Step 6: Final answer
x = 184,017,113.55
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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.