Finding the Fourth Proportional to 193,285,969,484.57, 266,742,905,010.75 and 107,646,921,496.99
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Solution
The fourth proportional to 193,285,969,484.57, 266,742,905,010.75 and 107,646,921,496.99 is: 148,557,355,881.25
Step by Step Solution
- Step 1: Write the proportion equation
193,285,969,484.57 : 266,742,905,010.75 = 107,646,921,496.99 : x - Step 2: Convert to fraction form
193,285,969,484.57/266,742,905,010.75 = 107,646,921,496.99/x - Step 3: Cross multiply
193,285,969,484.57x = 266,742,905,010.75 × 107,646,921,496.99 - Step 4: Simplify right side
193,285,969,484.57x = 28,714,052,555,571,267,108,864 - Step 5: Solve for x
x = 28,714,052,555,571,267,108,864/193,285,969,484.57 - Step 6: Final answer
x = 148,557,355,881.25
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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.