Finding the Fourth Proportional to 99,423,805.26, 137,209,108.08 and 55,370,803.98
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Solution
The fourth proportional to 99,423,805.26, 137,209,108.08 and 55,370,803.98 is: 76,414,080.19
Step by Step Solution
- Step 1: Write the proportion equation
99,423,805.26 : 137,209,108.08 = 55,370,803.98 : x - Step 2: Convert to fraction form
99,423,805.26/137,209,108.08 = 55,370,803.98/x - Step 3: Cross multiply
99,423,805.26x = 137,209,108.08 × 55,370,803.98 - Step 4: Simplify right side
99,423,805.26x = 7,597,378,627,768,314 - Step 5: Solve for x
x = 7,597,378,627,768,314/99,423,805.26 - Step 6: Final answer
x = 76,414,080.19
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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.