Finding the Fourth Proportional to 195,615,295.80, 293,422,943.70 and 104,916,031.80
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Solution
The fourth proportional to 195,615,295.80, 293,422,943.70 and 104,916,031.80 is: 157,374,047.70
Step by Step Solution
- Step 1: Write the proportion equation
195,615,295.80 : 293,422,943.70 = 104,916,031.80 : x - Step 2: Convert to fraction form
195,615,295.80/293,422,943.70 = 104,916,031.80/x - Step 3: Cross multiply
195,615,295.80x = 293,422,943.70 × 104,916,031.80 - Step 4: Simplify right side
195,615,295.80x = 30,784,770,892,078,808 - Step 5: Solve for x
x = 30,784,770,892,078,808/195,615,295.80 - Step 6: Final answer
x = 157,374,047.70
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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.