Finding the Fourth Proportional to 165,887,997.80, 248,831,996.70 and 94,224,381.80
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Solution
The fourth proportional to 165,887,997.80, 248,831,996.70 and 94,224,381.80 is: 141,336,572.70
Step by Step Solution
- Step 1: Write the proportion equation
165,887,997.80 : 248,831,996.70 = 94,224,381.80 : x - Step 2: Convert to fraction form
165,887,997.80/248,831,996.70 = 94,224,381.80/x - Step 3: Cross multiply
165,887,997.80x = 248,831,996.70 × 94,224,381.80 - Step 4: Simplify right side
165,887,997.80x = 23,446,041,061,117,140 - Step 5: Solve for x
x = 23,446,041,061,117,140/165,887,997.80 - Step 6: Final answer
x = 141,336,572.70
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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.