Finding the Fourth Proportional to 236,197,206.40, 354,295,809.60 and 121,405,950.40
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Solution
The fourth proportional to 236,197,206.40, 354,295,809.60 and 121,405,950.40 is: 182,108,925.60
Step by Step Solution
- Step 1: Write the proportion equation
236,197,206.40 : 354,295,809.60 = 121,405,950.40 : x - Step 2: Convert to fraction form
236,197,206.40/354,295,809.60 = 121,405,950.40/x - Step 3: Cross multiply
236,197,206.40x = 354,295,809.60 × 121,405,950.40 - Step 4: Simplify right side
236,197,206.40x = 43,013,619,487,225,448 - Step 5: Solve for x
x = 43,013,619,487,225,448/236,197,206.40 - Step 6: Final answer
x = 182,108,925.60
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1.5x scale
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.