Finding the Fourth Proportional to 252,876,925.32, 349,026,296.76 and 153,736,606.68
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Solution
The fourth proportional to 252,876,925.32, 349,026,296.76 and 153,736,606.68 is: 212,190,647.44
Step by Step Solution
- Step 1: Write the proportion equation
252,876,925.32 : 349,026,296.76 = 153,736,606.68 : x - Step 2: Convert to fraction form
252,876,925.32/349,026,296.76 = 153,736,606.68/x - Step 3: Cross multiply
252,876,925.32x = 349,026,296.76 × 153,736,606.68 - Step 4: Simplify right side
252,876,925.32x = 53,658,118,505,969,080 - Step 5: Solve for x
x = 53,658,118,505,969,080/252,876,925.32 - Step 6: Final answer
x = 212,190,647.44
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.