Finding the Fourth Proportional to 122,316,368.22, 168,758,587.62 and 69,384,352.14
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Solution
The fourth proportional to 122,316,368.22, 168,758,587.62 and 69,384,352.14 is: 95,728,850.03
Step by Step Solution
- Step 1: Write the proportion equation
122,316,368.22 : 168,758,587.62 = 69,384,352.14 : x - Step 2: Convert to fraction form
122,316,368.22/168,758,587.62 = 69,384,352.14/x - Step 3: Cross multiply
122,316,368.22x = 168,758,587.62 × 69,384,352.14 - Step 4: Simplify right side
122,316,368.22x = 11,709,205,270,075,124 - Step 5: Solve for x
x = 11,709,205,270,075,124/122,316,368.22 - Step 6: Final answer
x = 95,728,850.03
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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.