Finding the Fourth Proportional to 177,128,014.16, 244,435,980.84 and 98,811,505.28
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Solution
The fourth proportional to 177,128,014.16, 244,435,980.84 and 98,811,505.28 is: 136,359,498.67
Step by Step Solution
- Step 1: Write the proportion equation
177,128,014.16 : 244,435,980.84 = 98,811,505.28 : x - Step 2: Convert to fraction form
177,128,014.16/244,435,980.84 = 98,811,505.28/x - Step 3: Cross multiply
177,128,014.16x = 244,435,980.84 × 98,811,505.28 - Step 4: Simplify right side
177,128,014.16x = 24,153,087,211,393,640 - Step 5: Solve for x
x = 24,153,087,211,393,640/177,128,014.16 - Step 6: Final answer
x = 136,359,498.67
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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.