Finding the Fourth Proportional to 106,327,495.22, 146,634,430.62 and 72,885,573.84
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Solution
The fourth proportional to 106,327,495.22, 146,634,430.62 and 72,885,573.84 is: 100,515,248.65
Step by Step Solution
- Step 1: Write the proportion equation
106,327,495.22 : 146,634,430.62 = 72,885,573.84 : x - Step 2: Convert to fraction form
106,327,495.22/146,634,430.62 = 72,885,573.84/x - Step 3: Cross multiply
106,327,495.22x = 146,634,430.62 × 72,885,573.84 - Step 4: Simplify right side
106,327,495.22x = 10,687,534,620,645,400 - Step 5: Solve for x
x = 10,687,534,620,645,400/106,327,495.22 - Step 6: Final answer
x = 100,515,248.65
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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.