Finding the Fourth Proportional to 102,057,415.80, 153,086,123.70 and 97,805,887.80
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Solution
The fourth proportional to 102,057,415.80, 153,086,123.70 and 97,805,887.80 is: 146,708,831.70
Step by Step Solution
- Step 1: Write the proportion equation
102,057,415.80 : 153,086,123.70 = 97,805,887.80 : x - Step 2: Convert to fraction form
102,057,415.80/153,086,123.70 = 97,805,887.80/x - Step 3: Cross multiply
102,057,415.80x = 153,086,123.70 × 97,805,887.80 - Step 4: Simplify right side
102,057,415.80x = 14,972,724,238,339,120 - Step 5: Solve for x
x = 14,972,724,238,339,120/102,057,415.80 - Step 6: Final answer
x = 146,708,831.70
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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.