Finding the Fourth Proportional to 50,938,751.46, 70,297,206.75 and 28,615,679.99
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Solution
The fourth proportional to 50,938,751.46, 70,297,206.75 and 28,615,679.99 is: 39,490,610.09
Step by Step Solution
- Step 1: Write the proportion equation
50,938,751.46 : 70,297,206.75 = 28,615,679.99 : x - Step 2: Convert to fraction form
50,938,751.46/70,297,206.75 = 28,615,679.99/x - Step 3: Cross multiply
50,938,751.46x = 70,297,206.75 × 28,615,679.99 - Step 4: Simplify right side
50,938,751.46x = 2,011,602,372,197,381.75 - Step 5: Solve for x
x = 2,011,602,372,197,381.75/50,938,751.46 - Step 6: Final answer
x = 39,490,610.09
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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.