Finding the Fourth Proportional to 84,266,148.40, 126,399,222.60 and 58,735,985.20
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Solution
The fourth proportional to 84,266,148.40, 126,399,222.60 and 58,735,985.20 is: 88,103,977.80
Step by Step Solution
- Step 1: Write the proportion equation
84,266,148.40 : 126,399,222.60 = 58,735,985.20 : x - Step 2: Convert to fraction form
84,266,148.40/126,399,222.60 = 58,735,985.20/x - Step 3: Cross multiply
84,266,148.40x = 126,399,222.60 × 58,735,985.20 - Step 4: Simplify right side
84,266,148.40x = 7,424,182,867,925,106 - Step 5: Solve for x
x = 7,424,182,867,925,106/84,266,148.40 - Step 6: Final answer
x = 88,103,977.80
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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.