Finding the Fourth Proportional to 122,411,302.40, 183,616,953.60 and 115,396,281.20
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Solution
The fourth proportional to 122,411,302.40, 183,616,953.60 and 115,396,281.20 is: 173,094,421.80
Step by Step Solution
- Step 1: Write the proportion equation
122,411,302.40 : 183,616,953.60 = 115,396,281.20 : x - Step 2: Convert to fraction form
122,411,302.40/183,616,953.60 = 115,396,281.20/x - Step 3: Cross multiply
122,411,302.40x = 183,616,953.60 × 115,396,281.20 - Step 4: Simplify right side
122,411,302.40x = 21,188,713,610,712,952 - Step 5: Solve for x
x = 21,188,713,610,712,952/122,411,302.40 - Step 6: Final answer
x = 173,094,421.80
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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.