Finding the Fourth Proportional to 77,572,060.14, 107,048,582.16 and 44,533,099.74
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Solution
The fourth proportional to 77,572,060.14, 107,048,582.16 and 44,533,099.74 is: 61,455,183.45
Step by Step Solution
- Step 1: Write the proportion equation
77,572,060.14 : 107,048,582.16 = 44,533,099.74 : x - Step 2: Convert to fraction form
77,572,060.14/107,048,582.16 = 44,533,099.74/x - Step 3: Cross multiply
77,572,060.14x = 107,048,582.16 × 44,533,099.74 - Step 4: Simplify right side
77,572,060.14x = 4,767,205,186,356,865 - Step 5: Solve for x
x = 4,767,205,186,356,865/77,572,060.14 - Step 6: Final answer
x = 61,455,183.45
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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.