Finding the Fourth Proportional to 113,509,771.92, 156,643,483.68 and 61,298,806.05
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Solution
The fourth proportional to 113,509,771.92, 156,643,483.68 and 61,298,806.05 is: 84,592,351.50
Step by Step Solution
- Step 1: Write the proportion equation
113,509,771.92 : 156,643,483.68 = 61,298,806.05 : x - Step 2: Convert to fraction form
113,509,771.92/156,643,483.68 = 61,298,806.05/x - Step 3: Cross multiply
113,509,771.92x = 156,643,483.68 × 61,298,806.05 - Step 4: Simplify right side
113,509,771.92x = 9,602,058,525,096,660 - Step 5: Solve for x
x = 9,602,058,525,096,660/113,509,771.92 - Step 6: Final answer
x = 84,592,351.50
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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.