Finding the Fourth Proportional to 157,465,125.90, 236,197,688.85 and 99,786,062.70
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Solution
The fourth proportional to 157,465,125.90, 236,197,688.85 and 99,786,062.70 is: 149,679,094.05
Step by Step Solution
- Step 1: Write the proportion equation
157,465,125.90 : 236,197,688.85 = 99,786,062.70 : x - Step 2: Convert to fraction form
157,465,125.90/236,197,688.85 = 99,786,062.70/x - Step 3: Cross multiply
157,465,125.90x = 236,197,688.85 × 99,786,062.70 - Step 4: Simplify right side
157,465,125.90x = 23,569,237,389,181,192 - Step 5: Solve for x
x = 23,569,237,389,181,192/157,465,125.90 - Step 6: Final answer
x = 149,679,094.05
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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.