Finding the Fourth Proportional to 74,014,349.70, 111,021,524.55 and 19,426,829.70
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Solution
The fourth proportional to 74,014,349.70, 111,021,524.55 and 19,426,829.70 is: 29,140,244.55
Step by Step Solution
- Step 1: Write the proportion equation
74,014,349.70 : 111,021,524.55 = 19,426,829.70 : x - Step 2: Convert to fraction form
74,014,349.70/111,021,524.55 = 19,426,829.70/x - Step 3: Cross multiply
74,014,349.70x = 111,021,524.55 × 19,426,829.70 - Step 4: Simplify right side
74,014,349.70x = 2,156,796,250,467,219 - Step 5: Solve for x
x = 2,156,796,250,467,219/74,014,349.70 - Step 6: Final answer
x = 29,140,244.55
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1.5x scale
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.