Finding the Fourth Proportional to 85,646,077.74, 118,188,529.14 and 48,475,559.94
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Solution
The fourth proportional to 85,646,077.74, 118,188,529.14 and 48,475,559.94 is: 66,894,541.81
Step by Step Solution
- Step 1: Write the proportion equation
85,646,077.74 : 118,188,529.14 = 48,475,559.94 : x - Step 2: Convert to fraction form
85,646,077.74/118,188,529.14 = 48,475,559.94/x - Step 3: Cross multiply
85,646,077.74x = 118,188,529.14 × 48,475,559.94 - Step 4: Simplify right side
85,646,077.74x = 5,729,255,128,546,506 - Step 5: Solve for x
x = 5,729,255,128,546,506/85,646,077.74 - Step 6: Final answer
x = 66,894,541.81
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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.