Finding the Fourth Proportional to 126,702,011.08, 174,848,775.30 and 68,755,259.08
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Solution
The fourth proportional to 126,702,011.08, 174,848,775.30 and 68,755,259.08 is: 94,882,257.54
Step by Step Solution
- Step 1: Write the proportion equation
126,702,011.08 : 174,848,775.30 = 68,755,259.08 : x - Step 2: Convert to fraction form
126,702,011.08/174,848,775.30 = 68,755,259.08/x - Step 3: Cross multiply
126,702,011.08x = 174,848,775.30 × 68,755,259.08 - Step 4: Simplify right side
126,702,011.08x = 12,021,772,845,572,206 - Step 5: Solve for x
x = 12,021,772,845,572,206/126,702,011.08 - Step 6: Final answer
x = 94,882,257.54
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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.