Finding the Fourth Proportional to 165,031,128.18, 227,749,102.65 and 98,962,383.06
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Solution
The fourth proportional to 165,031,128.18, 227,749,102.65 and 98,962,383.06 is: 136,571,773.98
Step by Step Solution
- Step 1: Write the proportion equation
165,031,128.18 : 227,749,102.65 = 98,962,383.06 : x - Step 2: Convert to fraction form
165,031,128.18/227,749,102.65 = 98,962,383.06/x - Step 3: Cross multiply
165,031,128.18x = 227,749,102.65 × 98,962,383.06 - Step 4: Simplify right side
165,031,128.18x = 22,538,593,938,020,564 - Step 5: Solve for x
x = 22,538,593,938,020,564/165,031,128.18 - Step 6: Final answer
x = 136,571,773.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.