Finding the Fourth Proportional to 143,948,260.36, 215,748,911.60 and 66,117,763.63
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Solution
The fourth proportional to 143,948,260.36, 215,748,911.60 and 66,117,763.63 is: 99,096,963.76
Step by Step Solution
- Step 1: Write the proportion equation
143,948,260.36 : 215,748,911.60 = 66,117,763.63 : x - Step 2: Convert to fraction form
143,948,260.36/215,748,911.60 = 66,117,763.63/x - Step 3: Cross multiply
143,948,260.36x = 215,748,911.60 × 66,117,763.63 - Step 4: Simplify right side
143,948,260.36x = 14,264,835,540,598,566 - Step 5: Solve for x
x = 14,264,835,540,598,566/143,948,260.36 - Step 6: Final answer
x = 99,096,963.76
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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.