Finding the Fourth Proportional to 150,658,395.68, 207,891,698.64 and 88,774,706.72
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Solution
The fourth proportional to 150,658,395.68, 207,891,698.64 and 88,774,706.72 is: 122,499,144.46
Step by Step Solution
- Step 1: Write the proportion equation
150,658,395.68 : 207,891,698.64 = 88,774,706.72 : x - Step 2: Convert to fraction form
150,658,395.68/207,891,698.64 = 88,774,706.72/x - Step 3: Cross multiply
150,658,395.68x = 207,891,698.64 × 88,774,706.72 - Step 4: Simplify right side
150,658,395.68x = 18,455,524,576,288,620 - Step 5: Solve for x
x = 18,455,524,576,288,620/150,658,395.68 - Step 6: Final answer
x = 122,499,144.46
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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.