Finding the Fourth Proportional to 67,769,844.75, 102,023,508.08 and 61,743,303.81
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Solution
The fourth proportional to 67,769,844.75, 102,023,508.08 and 61,743,303.81 is: 92,950,905.80
Step by Step Solution
- Step 1: Write the proportion equation
67,769,844.75 : 102,023,508.08 = 61,743,303.81 : x - Step 2: Convert to fraction form
67,769,844.75/102,023,508.08 = 61,743,303.81/x - Step 3: Cross multiply
67,769,844.75x = 102,023,508.08 × 61,743,303.81 - Step 4: Simplify right side
67,769,844.75x = 6,299,268,455,299,788 - Step 5: Solve for x
x = 6,299,268,455,299,788/67,769,844.75 - Step 6: Final answer
x = 92,950,905.80
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.