Finding the Fourth Proportional to 76,774,726.16, 115,162,087.08 and 25,656,743.60
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Solution
The fourth proportional to 76,774,726.16, 115,162,087.08 and 25,656,743.60 is: 38,485,114.68
Step by Step Solution
- Step 1: Write the proportion equation
76,774,726.16 : 115,162,087.08 = 25,656,743.60 : x - Step 2: Convert to fraction form
76,774,726.16/115,162,087.08 = 25,656,743.60/x - Step 3: Cross multiply
76,774,726.16x = 115,162,087.08 × 25,656,743.60 - Step 4: Simplify right side
76,774,726.16x = 2,954,684,140,652,433 - Step 5: Solve for x
x = 2,954,684,140,652,433/76,774,726.16 - Step 6: Final answer
x = 38,485,114.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.