Finding the Fourth Proportional to 77,913,445.05, 107,511,102.61 and 44,884,386.90
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Solution
The fourth proportional to 77,913,445.05, 107,511,102.61 and 44,884,386.90 is: 61,935,009.07
Step by Step Solution
- Step 1: Write the proportion equation
77,913,445.05 : 107,511,102.61 = 44,884,386.90 : x - Step 2: Convert to fraction form
77,913,445.05/107,511,102.61 = 44,884,386.90/x - Step 3: Cross multiply
77,913,445.05x = 107,511,102.61 × 44,884,386.90 - Step 4: Simplify right side
77,913,445.05x = 4,825,569,925,480,629 - Step 5: Solve for x
x = 4,825,569,925,480,629/77,913,445.05 - Step 6: Final answer
x = 61,935,009.07
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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.