Finding the Fourth Proportional to 161,525,497.60, 242,288,246.40 and 97,028,243.20
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Solution
The fourth proportional to 161,525,497.60, 242,288,246.40 and 97,028,243.20 is: 145,542,364.80
Step by Step Solution
- Step 1: Write the proportion equation
161,525,497.60 : 242,288,246.40 = 97,028,243.20 : x - Step 2: Convert to fraction form
161,525,497.60/242,288,246.40 = 97,028,243.20/x - Step 3: Cross multiply
161,525,497.60x = 242,288,246.40 × 97,028,243.20 - Step 4: Simplify right side
161,525,497.60x = 23,508,802,896,200,724 - Step 5: Solve for x
x = 23,508,802,896,200,724/161,525,497.60 - Step 6: Final answer
x = 145,542,364.80
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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.