Finding the Fourth Proportional to 324,830,867.90, 448,266,699.99 and 176,151,944.39
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Solution
The fourth proportional to 324,830,867.90, 448,266,699.99 and 176,151,944.39 is: 243,089,738.72
Step by Step Solution
- Step 1: Write the proportion equation
324,830,867.90 : 448,266,699.99 = 176,151,944.39 : x - Step 2: Convert to fraction form
324,830,867.90/448,266,699.99 = 176,151,944.39/x - Step 3: Cross multiply
324,830,867.90x = 448,266,699.99 × 176,151,944.39 - Step 4: Simplify right side
324,830,867.90x = 78,963,050,807,550,080 - Step 5: Solve for x
x = 78,963,050,807,550,080/324,830,867.90 - Step 6: Final answer
x = 243,089,738.72
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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.