Finding the Fourth Proportional to 126,051,207.38, 174,094,155.09 and 84,726,355.22
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Solution
The fourth proportional to 126,051,207.38, 174,094,155.09 and 84,726,355.22 is: 117,018,817.45
Step by Step Solution
- Step 1: Write the proportion equation
126,051,207.38 : 174,094,155.09 = 84,726,355.22 : x - Step 2: Convert to fraction form
126,051,207.38/174,094,155.09 = 84,726,355.22/x - Step 3: Cross multiply
126,051,207.38x = 174,094,155.09 × 84,726,355.22 - Step 4: Simplify right side
126,051,207.38x = 14,750,363,225,881,112 - Step 5: Solve for x
x = 14,750,363,225,881,112/126,051,207.38 - Step 6: Final answer
x = 117,018,817.45
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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.