Finding the Fourth Proportional to 240,455,723.49, 331,860,194.17 and 134,649,430.76
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Solution
The fourth proportional to 240,455,723.49, 331,860,194.17 and 134,649,430.76 is: 185,833,739.32
Step by Step Solution
- Step 1: Write the proportion equation
240,455,723.49 : 331,860,194.17 = 134,649,430.76 : x - Step 2: Convert to fraction form
240,455,723.49/331,860,194.17 = 134,649,430.76/x - Step 3: Cross multiply
240,455,723.49x = 331,860,194.17 × 134,649,430.76 - Step 4: Simplify right side
240,455,723.49x = 44,684,786,237,386,600 - Step 5: Solve for x
x = 44,684,786,237,386,600/240,455,723.49 - Step 6: Final answer
x = 185,833,739.32
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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.