Finding the Fourth Proportional to 83,663,378.49, 115,458,266.09 and 46,495,225.33
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Solution
The fourth proportional to 83,663,378.49, 115,458,266.09 and 46,495,225.33 is: 64,164,969.13
Step by Step Solution
- Step 1: Write the proportion equation
83,663,378.49 : 115,458,266.09 = 46,495,225.33 : x - Step 2: Convert to fraction form
83,663,378.49/115,458,266.09 = 46,495,225.33/x - Step 3: Cross multiply
83,663,378.49x = 115,458,266.09 × 46,495,225.33 - Step 4: Simplify right side
83,663,378.49x = 5,368,258,097,977,494 - Step 5: Solve for x
x = 5,368,258,097,977,494/83,663,378.49 - Step 6: Final answer
x = 64,164,969.13
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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.