Finding the Fourth Proportional to 166,419,203.60, 249,628,805.40 and 160,148,637.20
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Solution
The fourth proportional to 166,419,203.60, 249,628,805.40 and 160,148,637.20 is: 240,222,955.80
Step by Step Solution
- Step 1: Write the proportion equation
166,419,203.60 : 249,628,805.40 = 160,148,637.20 : x - Step 2: Convert to fraction form
166,419,203.60/249,628,805.40 = 160,148,637.20/x - Step 3: Cross multiply
166,419,203.60x = 249,628,805.40 × 160,148,637.20 - Step 4: Simplify right side
166,419,203.60x = 39,977,712,990,674,000 - Step 5: Solve for x
x = 39,977,712,990,674,000/166,419,203.60 - Step 6: Final answer
x = 240,222,955.80
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1.5x scale
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.