Finding the Fourth Proportional to 120,686,158.05, 181,029,237.08 and 39,907,126.05
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Solution
The fourth proportional to 120,686,158.05, 181,029,237.08 and 39,907,126.05 is: 59,860,689.08
Step by Step Solution
- Step 1: Write the proportion equation
120,686,158.05 : 181,029,237.08 = 39,907,126.05 : x - Step 2: Convert to fraction form
120,686,158.05/181,029,237.08 = 39,907,126.05/x - Step 3: Cross multiply
120,686,158.05x = 181,029,237.08 × 39,907,126.05 - Step 4: Simplify right side
120,686,158.05x = 7,224,356,582,687,357 - Step 5: Solve for x
x = 7,224,356,582,687,357/120,686,158.05 - Step 6: Final answer
x = 59,860,689.08
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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.