Finding the Fourth Proportional to 210,630,427.79, 315,959,504.84 and 55,188,041.99
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Solution
The fourth proportional to 210,630,427.79, 315,959,504.84 and 55,188,041.99 is: 82,785,695.32
Step by Step Solution
- Step 1: Write the proportion equation
210,630,427.79 : 315,959,504.84 = 55,188,041.99 : x - Step 2: Convert to fraction form
210,630,427.79/315,959,504.84 = 55,188,041.99/x - Step 3: Cross multiply
210,630,427.79x = 315,959,504.84 × 55,188,041.99 - Step 4: Simplify right side
210,630,427.79x = 17,437,186,419,973,588 - Step 5: Solve for x
x = 17,437,186,419,973,588/210,630,427.79 - Step 6: Final answer
x = 82,785,695.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.