Finding the Fourth Proportional to 67,794,099.05, 93,555,465.90 and 38,430,970.49
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Solution
The fourth proportional to 67,794,099.05, 93,555,465.90 and 38,430,970.49 is: 53,034,517.75
Step by Step Solution
- Step 1: Write the proportion equation
67,794,099.05 : 93,555,465.90 = 38,430,970.49 : x - Step 2: Convert to fraction form
67,794,099.05/93,555,465.90 = 38,430,970.49/x - Step 3: Cross multiply
67,794,099.05x = 93,555,465.90 × 38,430,970.49 - Step 4: Simplify right side
67,794,099.05x = 3,595,427,349,181,101.50 - Step 5: Solve for x
x = 3,595,427,349,181,101.50/67,794,099.05 - Step 6: Final answer
x = 53,034,517.75
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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.