Finding the Fourth Proportional to 207,121,202,119.64, 285,785,804,666.34 and 115,655,679,624.01
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Solution
The fourth proportional to 207,121,202,119.64, 285,785,804,666.34 and 115,655,679,624.01 is: 159,581,689,983.08
Step by Step Solution
- Step 1: Write the proportion equation
207,121,202,119.64 : 285,785,804,666.34 = 115,655,679,624.01 : x - Step 2: Convert to fraction form
207,121,202,119.64/285,785,804,666.34 = 115,655,679,624.01/x - Step 3: Cross multiply
207,121,202,119.64x = 285,785,804,666.34 × 115,655,679,624.01 - Step 4: Simplify right side
207,121,202,119.64x = 33,052,751,465,580,121,292,800 - Step 5: Solve for x
x = 33,052,751,465,580,121,292,800/207,121,202,119.64 - Step 6: Final answer
x = 159,581,689,983.08
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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.