Finding the Fourth Proportional to 80,411,837.16, 110,968,251.30 and 43,742,320.68
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Solution
The fourth proportional to 80,411,837.16, 110,968,251.30 and 43,742,320.68 is: 60,364,356.85
Step by Step Solution
- Step 1: Write the proportion equation
80,411,837.16 : 110,968,251.30 = 43,742,320.68 : x - Step 2: Convert to fraction form
80,411,837.16/110,968,251.30 = 43,742,320.68/x - Step 3: Cross multiply
80,411,837.16x = 110,968,251.30 × 43,742,320.68 - Step 4: Simplify right side
80,411,837.16x = 4,854,008,833,663,427 - Step 5: Solve for x
x = 4,854,008,833,663,427/80,411,837.16 - Step 6: Final answer
x = 60,364,356.85
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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.