Finding the Fourth Proportional to 306,920,590.48, 423,545,409.48 and 167,688,355.60
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Solution
The fourth proportional to 306,920,590.48, 423,545,409.48 and 167,688,355.60 is: 231,407,196.00
Step by Step Solution
- Step 1: Write the proportion equation
306,920,590.48 : 423,545,409.48 = 167,688,355.60 : x - Step 2: Convert to fraction form
306,920,590.48/423,545,409.48 = 167,688,355.60/x - Step 3: Cross multiply
306,920,590.48x = 423,545,409.48 × 167,688,355.60 - Step 4: Simplify right side
306,920,590.48x = 71,023,633,237,629,848 - Step 5: Solve for x
x = 71,023,633,237,629,848/306,920,590.48 - Step 6: Final answer
x = 231,407,196.00
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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.