Finding the Fourth Proportional to 84,340,903.90, 126,427,375.05 and 38,823,310.30
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Solution
The fourth proportional to 84,340,903.90, 126,427,375.05 and 38,823,310.30 is: 58,196,307.90
Step by Step Solution
- Step 1: Write the proportion equation
84,340,903.90 : 126,427,375.05 = 38,823,310.30 : x - Step 2: Convert to fraction form
84,340,903.90/126,427,375.05 = 38,823,310.30/x - Step 3: Cross multiply
84,340,903.90x = 126,427,375.05 × 38,823,310.30 - Step 4: Simplify right side
84,340,903.90x = 4,908,329,211,980,628 - Step 5: Solve for x
x = 4,908,329,211,980,628/84,340,903.90 - Step 6: Final answer
x = 58,196,307.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.