Finding the Fourth Proportional to 306,609,566.80, 423,122,920.80 and 174,450,560.12
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Solution
The fourth proportional to 306,609,566.80, 423,122,920.80 and 174,450,560.12 is: 240,742,750.80
Step by Step Solution
- Step 1: Write the proportion equation
306,609,566.80 : 423,122,920.80 = 174,450,560.12 : x - Step 2: Convert to fraction form
306,609,566.80/423,122,920.80 = 174,450,560.12/x - Step 3: Cross multiply
306,609,566.80x = 423,122,920.80 × 174,450,560.12 - Step 4: Simplify right side
306,609,566.80x = 73,814,030,533,170,400 - Step 5: Solve for x
x = 73,814,030,533,170,400/306,609,566.80 - Step 6: Final answer
x = 240,742,750.80
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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.