Finding the Fourth Proportional to 85,326,451.02, 117,750,426.30 and 48,164,553.36
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Solution
The fourth proportional to 85,326,451.02, 117,750,426.30 and 48,164,553.36 is: 66,467,040.68
Step by Step Solution
- Step 1: Write the proportion equation
85,326,451.02 : 117,750,426.30 = 48,164,553.36 : x - Step 2: Convert to fraction form
85,326,451.02/117,750,426.30 = 48,164,553.36/x - Step 3: Cross multiply
85,326,451.02x = 117,750,426.30 × 48,164,553.36 - Step 4: Simplify right side
85,326,451.02x = 5,671,396,690,689,097 - Step 5: Solve for x
x = 5,671,396,690,689,097/85,326,451.02 - Step 6: Final answer
x = 66,467,040.68
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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.