Finding the Fourth Proportional to 276,719,368.08, 415,079,840.12 and 79,998,795.77
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Solution
The fourth proportional to 276,719,368.08, 415,079,840.12 and 79,998,795.77 is: 119,998,421.45
Step by Step Solution
- Step 1: Write the proportion equation
276,719,368.08 : 415,079,840.12 = 79,998,795.77 : x - Step 2: Convert to fraction form
276,719,368.08/415,079,840.12 = 79,998,795.77/x - Step 3: Cross multiply
276,719,368.08x = 415,079,840.12 × 79,998,795.77 - Step 4: Simplify right side
276,719,368.08x = 33,205,887,355,528,740 - Step 5: Solve for x
x = 33,205,887,355,528,740/276,719,368.08 - Step 6: Final answer
x = 119,998,421.45
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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.