Finding the Fourth Proportional to 48,996,355.92, 67,621,409.68 and 28,096,567.44
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Solution
The fourth proportional to 48,996,355.92, 67,621,409.68 and 28,096,567.44 is: 38,776,955.18
Step by Step Solution
- Step 1: Write the proportion equation
48,996,355.92 : 67,621,409.68 = 28,096,567.44 : x - Step 2: Convert to fraction form
48,996,355.92/67,621,409.68 = 28,096,567.44/x - Step 3: Cross multiply
48,996,355.92x = 67,621,409.68 × 28,096,567.44 - Step 4: Simplify right side
48,996,355.92x = 1,899,929,497,461,989 - Step 5: Solve for x
x = 1,899,929,497,461,989/48,996,355.92 - Step 6: Final answer
x = 38,776,955.18
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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.