Finding the Fourth Proportional to 83,663,397.31, 115,458,292.05 and 46,495,244.14
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Solution
The fourth proportional to 83,663,397.31, 115,458,292.05 and 46,495,244.14 is: 64,164,995.08
Step by Step Solution
- Step 1: Write the proportion equation
83,663,397.31 : 115,458,292.05 = 46,495,244.14 : x - Step 2: Convert to fraction form
83,663,397.31/115,458,292.05 = 46,495,244.14/x - Step 3: Cross multiply
83,663,397.31x = 115,458,292.05 × 46,495,244.14 - Step 4: Simplify right side
83,663,397.31x = 5,368,261,476,852,171 - Step 5: Solve for x
x = 5,368,261,476,852,171/83,663,397.31 - Step 6: Final answer
x = 64,164,995.08
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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.