Finding the Fourth Proportional to 283,048,518.16, 390,623,031.30 and 170,052,572.44
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Solution
The fourth proportional to 283,048,518.16, 390,623,031.30 and 170,052,572.44 is: 234,682,208.40
Step by Step Solution
- Step 1: Write the proportion equation
283,048,518.16 : 390,623,031.30 = 170,052,572.44 : x - Step 2: Convert to fraction form
283,048,518.16/390,623,031.30 = 170,052,572.44/x - Step 3: Cross multiply
283,048,518.16x = 390,623,031.30 × 170,052,572.44 - Step 4: Simplify right side
283,048,518.16x = 66,426,451,326,875,640 - Step 5: Solve for x
x = 66,426,451,326,875,640/283,048,518.16 - Step 6: Final answer
x = 234,682,208.40
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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.