Finding the Fourth Proportional to 65,725,749.68, 90,679,504.62 and 37,847,858.99
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Solution
The fourth proportional to 65,725,749.68, 90,679,504.62 and 37,847,858.99 is: 52,217,359.57
Step by Step Solution
- Step 1: Write the proportion equation
65,725,749.68 : 90,679,504.62 = 37,847,858.99 : x - Step 2: Convert to fraction form
65,725,749.68/90,679,504.62 = 37,847,858.99/x - Step 3: Cross multiply
65,725,749.68x = 90,679,504.62 × 37,847,858.99 - Step 4: Simplify right side
65,725,749.68x = 3,432,025,103,829,345.50 - Step 5: Solve for x
x = 3,432,025,103,829,345.50/65,725,749.68 - Step 6: Final answer
x = 52,217,359.57
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.