Finding the Fourth Proportional to 98,415,201.40, 147,622,802.10 and 40,948,714.60
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Solution
The fourth proportional to 98,415,201.40, 147,622,802.10 and 40,948,714.60 is: 61,423,071.90
Step by Step Solution
- Step 1: Write the proportion equation
98,415,201.40 : 147,622,802.10 = 40,948,714.60 : x - Step 2: Convert to fraction form
98,415,201.40/147,622,802.10 = 40,948,714.60/x - Step 3: Cross multiply
98,415,201.40x = 147,622,802.10 × 40,948,714.60 - Step 4: Simplify right side
98,415,201.40x = 6,044,963,991,645,181 - Step 5: Solve for x
x = 6,044,963,991,645,181/98,415,201.40 - Step 6: Final answer
x = 61,423,071.90
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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.