Finding the Fourth Proportional to 99,698,649.50, 149,570,207.58 and 30,618,424.41
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Solution
The fourth proportional to 99,698,649.50, 149,570,207.58 and 30,618,424.41 is: 45,934,464.69
Step by Step Solution
- Step 1: Write the proportion equation
99,698,649.50 : 149,570,207.58 = 30,618,424.41 : x - Step 2: Convert to fraction form
99,698,649.50/149,570,207.58 = 30,618,424.41/x - Step 3: Cross multiply
99,698,649.50x = 149,570,207.58 × 30,618,424.41 - Step 4: Simplify right side
99,698,649.50x = 4,579,604,094,776,239 - Step 5: Solve for x
x = 4,579,604,094,776,239/99,698,649.50 - Step 6: Final answer
x = 45,934,464.69
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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.