Finding the Fourth Proportional to 83,380,039.99, 115,064,466.12 and 46,212,719.80
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Solution
The fourth proportional to 83,380,039.99, 115,064,466.12 and 46,212,719.80 is: 63,773,559.38
Step by Step Solution
- Step 1: Write the proportion equation
83,380,039.99 : 115,064,466.12 = 46,212,719.80 : x - Step 2: Convert to fraction form
83,380,039.99/115,064,466.12 = 46,212,719.80/x - Step 3: Cross multiply
83,380,039.99x = 115,064,466.12 × 46,212,719.80 - Step 4: Simplify right side
83,380,039.99x = 5,317,441,931,740,153 - Step 5: Solve for x
x = 5,317,441,931,740,153/83,380,039.99 - Step 6: Final answer
x = 63,773,559.38
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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.