Finding the Fourth Proportional to 157,465,996.10, 236,128,135.35 and 60,389,440.10
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Solution
The fourth proportional to 157,465,996.10, 236,128,135.35 and 60,389,440.10 is: 90,556,985.25
Step by Step Solution
- Step 1: Write the proportion equation
157,465,996.10 : 236,128,135.35 = 60,389,440.10 : x - Step 2: Convert to fraction form
157,465,996.10/236,128,135.35 = 60,389,440.10/x - Step 3: Cross multiply
157,465,996.10x = 236,128,135.35 × 60,389,440.10 - Step 4: Simplify right side
157,465,996.10x = 14,259,645,885,643,518 - Step 5: Solve for x
x = 14,259,645,885,643,518/157,465,996.10 - Step 6: Final answer
x = 90,556,985.25
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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.