Finding the Fourth Proportional to 134,752,459.60, 202,128,689.40 and 124,548,792.40
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Solution
The fourth proportional to 134,752,459.60, 202,128,689.40 and 124,548,792.40 is: 186,823,188.60
Step by Step Solution
- Step 1: Write the proportion equation
134,752,459.60 : 202,128,689.40 = 124,548,792.40 : x - Step 2: Convert to fraction form
134,752,459.60/202,128,689.40 = 124,548,792.40/x - Step 3: Cross multiply
134,752,459.60x = 202,128,689.40 × 124,548,792.40 - Step 4: Simplify right side
134,752,459.60x = 25,174,884,174,164,684 - Step 5: Solve for x
x = 25,174,884,174,164,684/134,752,459.60 - Step 6: Final answer
x = 186,823,188.60
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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.