Finding the Fourth Proportional to 124,416,110.30, 186,624,165.45 and 38,153,831.90
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Solution
The fourth proportional to 124,416,110.30, 186,624,165.45 and 38,153,831.90 is: 57,230,747.85
Step by Step Solution
- Step 1: Write the proportion equation
124,416,110.30 : 186,624,165.45 = 38,153,831.90 : x - Step 2: Convert to fraction form
124,416,110.30/186,624,165.45 = 38,153,831.90/x - Step 3: Cross multiply
124,416,110.30x = 186,624,165.45 × 38,153,831.90 - Step 4: Simplify right side
124,416,110.30x = 7,120,427,037,057,087 - Step 5: Solve for x
x = 7,120,427,037,057,087/124,416,110.30 - Step 6: Final answer
x = 57,230,747.85
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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.