Finding the Fourth Proportional to 127,698,544.09, 176,223,989.18 and 68,961,207.76
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Solution
The fourth proportional to 127,698,544.09, 176,223,989.18 and 68,961,207.76 is: 95,166,465.81
Step by Step Solution
- Step 1: Write the proportion equation
127,698,544.09 : 176,223,989.18 = 68,961,207.76 : x - Step 2: Convert to fraction form
127,698,544.09/176,223,989.18 = 68,961,207.76/x - Step 3: Cross multiply
127,698,544.09x = 176,223,989.18 × 68,961,207.76 - Step 4: Simplify right side
127,698,544.09x = 12,152,619,130,170,886 - Step 5: Solve for x
x = 12,152,619,130,170,886/127,698,544.09 - Step 6: Final answer
x = 95,166,465.81
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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.