Finding the Fourth Proportional to 83,001,352.60, 124,537,458.30 and 39,848,343.40
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Solution
The fourth proportional to 83,001,352.60, 124,537,458.30 and 39,848,343.40 is: 59,789,524.50
Step by Step Solution
- Step 1: Write the proportion equation
83,001,352.60 : 124,537,458.30 = 39,848,343.40 : x - Step 2: Convert to fraction form
83,001,352.60/124,537,458.30 = 39,848,343.40/x - Step 3: Cross multiply
83,001,352.60x = 124,537,458.30 × 39,848,343.40 - Step 4: Simplify right side
83,001,352.60x = 4,962,611,404,501,580 - Step 5: Solve for x
x = 4,962,611,404,501,580/83,001,352.60 - Step 6: Final answer
x = 59,789,524.50
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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.