Finding the Fourth Proportional to 106,909,358.09, 147,534,914.12 and 58,016,786.09
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Solution
The fourth proportional to 106,909,358.09, 147,534,914.12 and 58,016,786.09 is: 80,063,164.77
Step by Step Solution
- Step 1: Write the proportion equation
106,909,358.09 : 147,534,914.12 = 58,016,786.09 : x - Step 2: Convert to fraction form
106,909,358.09/147,534,914.12 = 58,016,786.09/x - Step 3: Cross multiply
106,909,358.09x = 147,534,914.12 × 58,016,786.09 - Step 4: Simplify right side
106,909,358.09x = 8,559,501,552,278,803 - Step 5: Solve for x
x = 8,559,501,552,278,803/106,909,358.09 - Step 6: Final answer
x = 80,063,164.77
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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.