Finding the Fourth Proportional to 122,173,294.21, 168,551,440 and 69,934,412.77
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Solution
The fourth proportional to 122,173,294.21, 168,551,440 and 69,934,412.77 is: 96,482,181.76
Step by Step Solution
- Step 1: Write the proportion equation
122,173,294.21 : 168,551,440 = 69,934,412.77 : x - Step 2: Convert to fraction form
122,173,294.21/168,551,440 = 69,934,412.77/x - Step 3: Cross multiply
122,173,294.21x = 168,551,440 × 69,934,412.77 - Step 4: Simplify right side
122,173,294.21x = 11,787,545,977,937,888 - Step 5: Solve for x
x = 11,787,545,977,937,888/122,173,294.21 - Step 6: Final answer
x = 96,482,181.76
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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.