Finding the Fourth Proportional to 137,972,737.08, 190,354,295.64 and 88,440,421.41
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Solution
The fourth proportional to 137,972,737.08, 190,354,295.64 and 88,440,421.41 is: 122,016,961.32
Step by Step Solution
- Step 1: Write the proportion equation
137,972,737.08 : 190,354,295.64 = 88,440,421.41 : x - Step 2: Convert to fraction form
137,972,737.08/190,354,295.64 = 88,440,421.41/x - Step 3: Cross multiply
137,972,737.08x = 190,354,295.64 × 88,440,421.41 - Step 4: Simplify right side
137,972,737.08x = 16,835,014,123,605,324 - Step 5: Solve for x
x = 16,835,014,123,605,324/137,972,737.08 - Step 6: Final answer
x = 122,016,961.32
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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.